Face mask covering a breathing passage

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Title

Date

20140174447

PATIENT INTERFACE ASSEMBLY WITH SELF-ADJUSTING ANCHOR POINTS - A patient interface assembly having an improved support for use in securing a patient interface device to the head of a patient overcomes the shortcomings of conventional headgear. The improved support provides a self-adjusting anchor point situated anterior to the ear of the patient that provides enhanced stability in mounting the patient interface device to the patient.

06-26-2014

20130042871

Breathing Assistance Apparatus - A breathing assistance apparatus is used to deliver gases to a wearer. The breathing assistance apparatus includes: a main body unit having a main body and two side straps connected to the main body, each of the side straps having a strap body, at least one side cushion projecting from the strap body and adapted for contact with the wearer's head, and a buffering space disposed within the side cushion; a head strap unit connected to the side straps; a nasal prong unit mounted to and disposed behind the main body; and an intake unit mounted to and disposed in front of the main body.

BREATHING MASK AND A SEALING LIP DEVICE FOR A BREATHING MASK - A breathing mask includes an elastomeric cushion with a sealing lip having an outer engagement surface configured to sealingly abut against the patient's face. The sealing lip has a plurality of zones. A first zone has an elastomeric wall and comprises a portion of the elastomeric cushion adapted to abut against a bridge of a patient's nose. A second zone has an elastomeric wall and comprises a portion of the elastomeric cushion adapted to abut against the patient's face at a location opposite the first zone. A pair of intermediate zones comprise portions of the elastomeric cushion adapted to abut against the patient's face between the first and second zones and have relatively thick elastomeric walls compared to the elastic walls of the first and second zones so that the pair of intermediate zones has a higher load-bearing capability than the first and second zones.

04-02-2015

20130087148

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

04-11-2013

20130291870

ERGONOMIC AND ADJUSTABLE RESPIRATORY MASK ASSEMBLY WITH HEADGEAR ASSEMBLY - A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a main body and a side frame member provided on each lateral side of the main body. Each side frame member includes an integrally formed first connector portion. A headgear assembly is removably attachable to the frame. The headgear assembly has a second connector portion adapted to be removably coupled with the first connector portion provided on the frame. The second connector portion is manually movable to a releasing position to detach the headgear assembly from the frame. The headgear assembly is rotationally adjustable with respect to the frame.

11-07-2013

20130319418

HEADGEAR - A mask assembly suitable for the treatment of sleep disordered breathing, comprising: a mask to provide pressurized air to a patient; upper and lower slot features located on each side of the mask; a headgear assembly, comprising: a back portion; a pair of upper straps provided to the back portion, each upper strap having a loop portion and a hook portion at a free end thereof for releasably attaching to the loop portion; a pair of lower straps extending away from the back portion, each lower strap having a loop portion and a hook portion at a free end thereof for releasably attaching to the loop portion; and a connection region of each loop portion of each strap, the connection region being adapted to receive a respective hook portion, the connection region being wider than each respective hook portion along each respective hook portion's entire length.

12-05-2013

20140083428

FLEXIBLE MEMBER ADJUSTABLE FOREHEAD SUPPORT - A patient interface device includes a patient sealing assembly having a cushion and a frame member having a faceplate portion and an extension portion extending from the faceplate portion. Te cushion is coupled to the faceplate portion. A forehead member engages the forehead of the patient, and a flexible elongated member is coupled to the extension portion. A drive assembly selectively causes the second end portion of the flexible elongated member to move relative to the extension portion in a first direction. Movement of the flexible elongated member relative to the extension portion in the first direction causes movement of the frame member relative to the forehead member in a second direction transverse to the first direction.

03-27-2014

20160082216

FRAME AND VENT ASSEMBLY FOR MASK ASSEMBLY - A nasal or full-face mask frame includes a main body and a vent assembly provided to the main body. The vent assembly includes a plurality of holes arranged in at least one column. The holes are positioned on a relatively flat and/or non-recessed portion of the main body.

BREATHING MASK AND A SEALING LIP DEVICE FOR A BREATHING MASK - An elastomeric cushion for a breathing mask is configured for sealed delivery of a flow of breathable gas at a positive pressure with respect to ambient air pressure to an entrance of a patient's airways including at least an entrance of the patient's nares. The elastomeric cushion includes a sealing lip with an elastomeric wall configured to form a seal with the patient's face. An elastomeric wall thickness of the sealing lip is varied so that when the sealing lip sealingly engages the patient's face, a portion of the seal at the patient's nose bridge is formed by a relatively thin-walled portion of the sealing lip and other portions of the seal are formed by relatively thick portions of the sealing lip.

04-21-2016

20130233315

STRAPLESS NASAL INTERFACE DEVICE - A strapless nasal interface device is disclosed. The device is used in conjunction with CPAP, BIPAP, ventilators, or any other suitable device. The device includes a body with a passageway to a ventilating tube, exhalation holes, and a passageway to nostril interface tubes. The nostril interface tubes include a nasal interface element which is an expandable, compressible material such that the user can compress the element, insert it into the end of the nostril and allow it to expand to hold the tube in place. Alternatively, the nasal interface elements are held against the outer edge of the nostrils. Optionally, a skirt is included at the outer side of the nostril to aid in sealing against air leaks. Optionally, flaps are included to assist in holding the device in place, such as side flaps, a front flap, or both. The front flap may be adherable to the exterior of the nose and optionally includes resilient strips to open the nasal passageway. Alternatively, a nose cover is adhered to the nose and side attachment flaps secure the device to the nose cover. Thus, the device requires no additional straps or headgear in order to maintain the device in operable position during sleep.

09-12-2013

20130160769

MASK VENT - A mask system includes a mask component including one or more openings for gas washout and a vent component provided to the mask component. The vent component includes one or more tracks or grooves along its outer surface adapted to guide gas washout. The vent component is adapted to cover the one or more openings in the mask component so that gas washout escapes along the one or more tracks or grooves between an outer surface of the mask component and the vent component.

06-27-2013

20140251336

CONDENSATION REDUCTION AND MANAGEMENT SYSTEMS IN A GAS FLOW DELIVERY SYSTEM - Condensation management techniques for a gas flow delivery system. The techniques include providing a radiant barrier associated with patient circuit and/or a patient interface, providing a water trap and/or an absorbent insert in the patient interface device, or a combination of these techniques. The radiant barrier prevents condensation from forming in the patient circuit and/or the patient interface. The water trap and absorbent insert in the patient interface control condensation that reaches or forms in the interior of the patient interface to prevent it from interfering the user of the gas delivery system.

09-11-2014

20100263671

Respirator System Including Removable Head Suspension - A respirator system is disclosed that includes a foldable head cover assembly including a face seal portion. The respirator assembly further includes a visor assembly attached to the head cover assembly and a head suspension system removably attached to the visor assembly. The visor assembly and the head cover assembly on one hand, and the suspension system on the other, are separable and foldable to enable storing and/or shipping the same separately. A head suspension system is also disclosed.

10-21-2010

20150059760

PATIENT INTERFACE SYSTEMS - A patient interface system includes a nasal seal of flexible material to communicate with at least one airway of the patient, and a primary headgear from which the nasal seal is suspended, said primary headgear having at least one aperture though which at least a portion of the nasal seal is inserted with the primary headgear wrapping about at least one portion of the nasal seal in a sling-like fashion.

03-05-2015

20150059759

PATIENT INTERFACE - A patient interface for treatment of a user having a respiratory disorder includes a nasal portion having at least one nasal portion aperture adapted to be in communication with a supply of pressurized gas for delivery to at least one nasal opening of the user, and a mouth portion having at least one mouth portion aperture also adapted to be in communication with the supply of pressurized gas to deliver the pressurized gas to an oral cavity of the user's mouth. The at least one mouth portion aperture is separate from the at least one nasal portion aperture, and the patient interface is adapted to limit a flow of the pressurized gas out of the at least one aperture of the mouth portion to be no greater than a flow of the pressurized gas out of the at least one nasal portion aperture.

BREATHING MASK FOR FEEDING A BREATHING GAS TO A MASK USER AND DISCHARGE DEVICE FOR DISCHARGING BREATHING GAS - A breathing mask arrangement for delivering breathable gas to a patient includes a reinforcement element, a mask engaged with the reinforcement element and having a mask base body defining a mask interior and a sealing lip structured to engage a patient's face, a forehead rest including forehead padding that is structured to engage a patient's forehead, and a fixing mechanism to fix the forehead rest relative to the reinforcement element. The mask base body and the sealing lip are two pieces that are fixedly attached to one another. The forehead rest is moveably coupled to the reinforcement element to allow movement of the forehead rest relative to the reinforcement element. The forehead rest includes a pair of coupling structures structured to be coupled to an upper head band arrangement and the reinforcement element includes a pair of coupling structures structured to be coupled to a lower head band arrangement.

08-08-2013

20100224195

Air Delivery Conduit - An air delivery conduit for conveying breathable gas from a positive airway pressure device to a patient interface includes a tubular wall structure constructed from a textile material. A reinforcing structure may be provided to the wall structure that is structured to prevent kinking or collapsing of the wall structure. The wall structure may include a warp having a plurality of lengthwise textile warp threads arranged in a circle and a weft having a textile weft thread that is woven through the warp threads.

09-09-2010

20100043798

RESPIRATOR MASK - A mask for supplying gas under pressure to an airway of a human including: a flexible manifold shell, being made of a flexible material, the manifold including means for connection to a gas delivery pipe. There are at least two side walls which are at least partially formed by portions of the manifold shell; a flexible face contacting element defining an orifice to accommodate the nose of the human; a first connecting strap having a first end connected to the mask and a second end connectable to a mask retaining strap; and a second connecting strap having a first end connected to the mask and a second end connectable to the mask retaining strap. The first strap and the second strap engage respective side walls of the mask for distributing opposing distortional forces to a substantial portion of the respective side walls when the mask is in use. The connection of the straps to the mask allow forces exerted by the first and second straps are capable of deforming the manifold at least along X and Y axes to create a variety of different mask/orifice shapes. The manifold of the mask has a manifold height and a centroid. The first and second straps engage the mask along a connecting length thereby joining the first and second straps to respective side walls of the mask so that an axis through the centroid normal to the Y axis, intersects with at least part of each strap.

02-25-2010

20160030695

OXYGEN MASKS - The present disclosure relates to an oxygen mask comprising: a mask body defining a cavity configured to be positioned over the mouth and nose of a patient, an oxygen port formed on the upper half of the mask body, an annular aperture formed on the mask body, and at least one vent port formed on the mask body, wherein each vent port is formed on the bottom half of the mask body in a manner that patient's exhaled gases are directed towards the vent port.

02-04-2016

20120285464

NON-INVASIVE VENTILATION FACIAL SKIN PROTECTION - A non-invasive ventilation patient interface comprises a fresh gas entry port, a frame, and a zygomatic facial interface. The fresh gas entry port is configured for coupling with a fresh gas supply. The frame is configured for coupling with a head strap system, wherein the head strap system is configured for supplying a securing force to secure the patient interface in a position over a respiratory opening of a patient. The zygomatic facial interface is coupled with the frame and configured for spreading the securing force away from a nasal bridge of the patient and onto left and right zygomatic arch regions of the patient.

11-15-2012

20120285463

QUICK DONNING HEADGEAR - A patient interface for patient ventilation comprises a frame portion and a head strap system. The frame portion is for surrounding oral and nasal regions of a patient. The head strap system is configured for coupling from a left lateral portion of the patient interface, around a posterior skull of a patient, and to a right lateral portion of the frame portion such that in response to donning of the patient interface, the head strap system supplies a securing force to secure the frame portion in a position over nasal and oral cavities of the patient, the head strap is also configured to retain a head-shape when not in use to enable intuitive donning on the patient.

11-15-2012

20090266362

Rapid Production of Customized Masks - Disclosed herein is a system designed for the rapid preparation of anatomically customized mask employing data from a patient. The data may take the form of a multidimensional image of a target area of a patient's face obtained by optical 3 dimensional imaging, or a dot or line scan form laser imaging, pattern laser photography or stereo photography. Also disclosed is a mask that is designed so as to be unobtrusive and comfortable for the user. The body of the mask is made of a thin layer, so it is lightweight and closely hugs the targeted region upon which it rests (e.g. the nasal region). Methods for producing anatomically customized masks are also described.

10-29-2009

20130327333

MASK SYSTEM - A full-face mask system for delivery of a supply of gas at positive pressure to a patient for medical treatment includes a shroud, a cushion module adapted to form a seal with the patient's nose and mouth, an elbow, and headgear. The cushion module includes a frame and a cushion. The frame includes an opening that releasably receives a distal end of the elbow with a snap-fit, wherein an inner edge of the opening and the distal end of the elbow together form a retention structure to retain the elbow to the frame.

PATIENT INTERFACE WITH FOREHEAD SUPPORT SYSTEM - A patient interface having a forehead support adjustably. The forehead support assembly includes a support arm that is adjustably mounted to the mask shell, thereby allowing the adjustment of the distance between the forehead support bracket and the mask shell in order to adjust for patients of different sizes. A forehead support bracket is pivotally connected to the support arm. The pivoting forehead support bracket is self-aligning to allow the forehead pad to remain parallel to the patient's forehead at all times, thus enhancing comfort and stability. The forehead support bracket is removable from the support arm, allowing the headgear (with support bracket attached) to be donned separately from the mask and support arm. The forehead support bracket in one embodiment has a forehead pad formed from the headgear itself.

INTERFACE COMPRISING A ROLLING NASAL BRIDGE PORTION - An interface for positive pressure therapy includes a mask assembly, a headgear assembly and a connection port assembly. The mask assembly comprises a seal member that has an upper portion movably connected to an integrated lower portion, wherein the upper portion rolls during hinging movement of the upper portion relative to the lower portion. The headgear assembly allows connection to the mask assembly in a direction substantially normal to a direction of strap tension. The connection port assembly includes a swivel elbow with a valve member that controls flow through a port that opens toward the user.

04-10-2014

20140096773

SUPPLEMENTAL GAS DELIVERY DEVICE FOR MASK ASSEMBLY - A supplemental gas delivery device is described for a mask assembly having at least one supplemental gas port, the at least one supplemental gas port including an aperture in communication with an interior of the mask assembly. The mask assembly may include an aperture communicating with an interior of the mask assembly, and a cannula for communicating with the supplemental gas port. The cannula is positioned to deliver supplemental gas adjacent to the patient's nares and/or mouth, to increase an efficacy of treatment for the patient by more directly applying the flow of supplemental gas to the patient's nares. An optional bridging portion may be included to provide a connection between supplemental gas port and the cannula.

04-10-2014

20140083427

PATIENT INTERFACE DEVICE INCLUDING PRESSURE RELIEF FOR DEFORMABLE COMPENENTS - A patient interface device includes a sealing cushion structured to communicate a flow of breathing gas within an airway of a patient, a rigid or semi rigid support member coupled to the sealing cushion, the support member including an inner surface, an outer surface and at least one orifice extending therethrough, and a cushion member provided on the inner surface of the support member and structured to engage a portion of the head or face of the patient when the patient interface device is donned by the patient, the cushion member being made of a deformable material and overlapping the orifice such that a portion of the cushion member will flow at least partially through the orifice when pressure is applied to the cushion member.

03-27-2014

20110100368

Face mask for endoscopy - A face mask assembly according to the present invention, includes a mask body. The inside of the mask body is of a size and shape to substantially conformally fit over the oral and nasal region of a patient's face. The mask body forms a receptacle and an opening above the receptacle. The face mask assembly also includes an inlet connection device connected to the receptacle and a hose connected to the inlet connection device. The hose is in open communication with the inside of the mask body to supply gas, normally oxygen. The opening formed above the receptacle is of sufficient size and shape to allow use of a medical scope such as an endoscope or a bronchoscope or a transesophogeal echocardiography scope or similar device. A closure flap substantially closes the opening when the opening is not being used for a medical scope. A port, also connected to the receptacle, is used to sample end of tidal carbon dioxide.

05-05-2011

20140069432

PAP SYSTEM BLOWER - A blower includes a housing including an inlet and an outlet, a bearing-housing structure provided to the housing and adapted to rotatably support a rotor, a motor provided to the bearing-housing structure and adapted to drive the rotor, and an impeller provided to the rotor. The bearing-housing structure includes a bearing shaft having a bearing surface that rotatably supports the rotor. The bearing shaft provides only a single bearing of the non-ball bearing type for the rotor.

03-13-2014

20090241961

BREATHING ASSISTANCE APPARATUS - Headgear for use with a respiratory mask is described. The headgear includes a continuous and substantially curved elongate member extending in use below a user's nose and at least two headgear straps capable of attachment to the ends of the elongate member. A mask attachment on the elongate member is disposed to sit below or on one of said user's nose, mouth, upper lip and an inlet to the mask. The attachment is capable of receiving the mask.

10-01-2009

20120304999

MASK ASSEMBLY SUPPORTING ARRANGEMENTS - A mask assembly includes nasal interface, e.g., in the form of a pair of nozzles, at least one joining portion provided to each side of the nasal interface, and a headgear coupled or otherwise provided to or extending from the joining portion, that is looped around the patient's ears. The joining portion is small and compact and may be readily affixed to an existing nasal arrangement, i.e., retrofitted. The joining portion and the headgear can be formed in separate components, or they can be formed as an integral or one-piece arrangement.

PATIENT INTERFACE SYSTEMS - A patient interface system for delivering a flow of breathable gas to a patient includes a patient interface structure configured to sealingly engage the face of the patient and a retaining element configured for application to the patient. The retaining element is configured to support the patient interface structure in sealing engagement with the face of the patient. The retaining element includes an adhesive and/or at least one strap. In addition, the patient interface structure is configured to be released from and re-engaged with the retaining element for re-positioning of the patient interface structure relative to the patient's face in a plurality of positions while the retaining element remains supported by the patient.

11-19-2015

20150328421

VALSALVA MASK - An interface for positive pressure therapy includes a mask assembly and a headgear assembly. The mask assembly comprises a mask seal that is adapted to underlie the nose. The mask seal extends up the lateral sides of the nose. The mask seal has a primary seal below the nose and a secondary seal alongside the nose.

11-19-2015

20120199129

BLOWER - A blower includes a housing including an inlet and an outlet, a stationary component provided to the housing, an impeller positioned between the inlet of the housing and the stationary component, and a motor adapted to drive the impeller. The housing and the stationary component cooperate to define a volute that directs air towards the outlet. The housing includes a separating wall constructed and arranged to divide the volute into a high speed airpath region and a low speed airpath region.

08-09-2012

20120199128

FOREHEAD AND NOSE BRIDGE PAD FOR CPAP INTERFACE - A pad is attachable to the forehead part of a CPAP face mask with pockets sewn into the body of the pad. The pad protects the forehead of the wearer and the nose bridge by a flap of material that fits between the seal of the mask and the wearer's nose bridge distributing the pressure from the mask seal. Persons with sleep apnea rely on CPAP therapy to prevent the obstruction in order to continue to breathe while sleeping. The CPAP masks appear medical and strange, especially to a new user of the device. By making the CPAP mask more comfortable with soft padding and also preventing marks and sores, it is more likely that the person will continue their therapy and improve their health. The invention is designed to be colorful, soft and comforting to help people with sleep apnea continue to get the necessary therapy.

08-09-2012

20100000539

System and Method for Securing a Gas Delivery Mask Onto a Subject's Head - A system for securing a mask onto a subject's head is provided. The system may include a mask base, a mask latch, and a mask head strap. The mask base may be configured to support a gas delivery conduit for delivering gas to the subject. The mask latch may be pivotally coupled to the mask base about an axis extending generally laterally across the mask base. The mask head strap may be configured to be positioned around a subject's head and coupled to the mask latch such that rotation of the mask latch about the axis and relative to the mask base adjusts the mask head strap.

01-07-2010

20100000538

MASK ASSEMBLY, AND FRAME AND SWIVEL CONNECTOR THEREFOR - A mask assembly for use in providing a supply of air at positive pressure to the airways of a patient includes a frame and an elbow. The elbow is rotatable with respect to the frame when assembled. The frame includes an elbow-receiving portion. The elbow and elbow-receiving portion of the frame are adapted to include respective interlocking sealing portions and one of the elbow and elbow-receiving portion includes a flexible element that upon assembly flexes to introduce a preload that effects a seal between the respective interlocking sealing portions.

01-07-2010

20100139661

AIR BREATHING HOSE WITH INTEGRATED ELECTRICAL WIRING - An integrated air hose assembly for a self-contained breathing apparatus. The air hose assembly includes a plurality of electrical wires embedded between an outer layer and an tube assembly. The tube assembly includes an inner tube forming a central air passage and an intermediate layer. Corresponding helical grooves are disposed in the outer surface of the intermediate layer and the inner surface of the outer layer, and the electrical wires are arranged therein in spaced relationship to one another.

06-10-2010

20160001030

BREATHING ASSISTANCE APPARATUS - A patient interface that is comfortable for a user to wear is disclosed. The patient interface includes a forehead rest and cushion. In particular the cushion includes a deformable resilient member that when compressed creates a uniformly and gradually increasing force while evenly distributing the pressure on the forehead of the patient.

01-07-2016

20160038706

BREATHING ASSISTANCE APPARATUS - Headgear for use with a respiratory mask is described. The headgear comprises a continuous and substantially curved elongate member extending in use below a user's nose and at least two headgear straps capable of attachment to the ends of the elongate member. A mask attachment on the elongate member is disposed to sit below or on one of said user's nose, mouth, upper lip and an inlet to the mask. The attachment is capable of receiving the mask.

02-11-2016

20140174446

NASAL MASK INTERFACE ASSEMBLY - An interface assembly comprises a nasal mask that includes a seal having a rolling portion. The rolling portion of the seal rolls over a portion of a clip that secures the seal to a frame. The frame has a ball and socket connection to a connector. The connector comprises an elbow having integrally formed exhaust holes and a swivel.

06-26-2014

20130312758

MASK SYSTEM - A mask system for treating sleep disordered breathing, comprising headgear, a shell/cushion including a channel adjacent a front aperture, a frame, an elbow including at least one undercut on a proximal end, a retaining ring including a rear flange adapted to be retainably insertable in the channel of the shell/cushion, and a front flange adapted to retainably engage with the at least one undercut of the elbow.

11-28-2013

20160022948

APPARATUS FOR CONTROLLING PRESSURIZED GAS DELIVERED TO A PATIENT - A mask assembly for delivering pressurized gas to a patient comprising a mask having an inspiratory port and an expiratory port located on generally opposite sides, wherein said ports are sized, oriented, positioned, and/or spaced apart a sufficient distance to allow a cross-flow of pressurized gas to flow through the mask assembly; an outlet limb connected to the expiratory port and having an aperture in pneumatic communication with the breathing chamber; the aperture size being variable between a first, open configuration and at least one second configuration that is different from the first. A ventilation system for delivering pressurized gas to a patient comprising a seal formed with the patient's airways and in pneumatic communication with a plenum chamber; an exchanger positioned at least partially within the plenum chamber, and in pneumatic communication with inspiratory and expiratory flow paths, to recover heat and/or moisture from gas exhaled by the patient.

01-28-2016

20110209709

COMPACT ORONASAL PATIENT INTERFACE - A breathing arrangement includes a patient interface, at least one inlet conduit, and a headgear assembly. The patient interface includes a mouth covering assembly including a cushion structured to sealingly engage around exterior of a patient's mouth in use, a nozzle assembly including a pair of nozzles structured to sealingly engage within nasal passages of a patient's nose in use, and a flexible element connecting the mouth covering assembly and the nozzle assembly. The at least one inlet conduit is structured to deliver breathable gas into at least one of the mouth covering assembly and the nozzle assembly for breathing by the patient. The headgear assembly is removably connected to at least one of the mouth covering assembly and the nozzle assembly so as to maintain the mouth covering assembly and the nozzle assembly in a desired position on the patient's face.

09-01-2011

20130327334

NASAL CONTINUOUS POSITIVE AIRWAY PRESSURE DEVICE - A nasal continuous positive airway pressure (nCPAP) device having a hollow body with a proximal wall, a distal wall, and an exhaust port extending through the distal wall. A proximal tubular member extends through the proximal wall of the body and is arranged such that a stream of gas entering the body through the proximal tubular member will exit the proximal tubular member in a first direction and then enter the exhaust port. A nozzle extends through the body and is arranged such that a stream of gas entering the body through the nozzle will exit the nozzle and then enter the proximal tubular member in a second direction that is opposite the first direction.

12-12-2013

20140026889

SYSTEM, METHOD AND VENTILATION INTERFACE FOR PROVIDING PRESSURIZED BREATHABLE GAS TO THE MOUTH AND NOSE SEPARATELY - In accordance with at least one exemplary embodiment, a ventilation system for providing gas under a first pressure to the nose of a user and second pressure to the mouth of a user is disclosed. A ventilation system can include a flow generator that can be connected to a gas supply tube. The gas supply tube can be in fluid communication with a ventilation interface. At least a portion of the gas supply tube can have a divider within the channel of the tube forming a nasal passageway and an oral passageway. A nasal breathing chamber and an oral breathing chamber can be defined in the ventilation interface. The nasal breathing chamber can be in fluid communication with the nasal passageway. The oral breathing chamber can be in fluid communication with the oral passageway.

01-30-2014

20140026888

ADJUSTMENT MECHANISM FOR HEADGEAR FOR USE IN PATIENT INTERFACE SYSTEM - A patient interface device is provided that includes a patient sealing assembly and a headgear assembly coupled to the patient sealing assembly. The headgear assembly includes an adjustment mechanism having a first portion, a second portion, and a fastening mechanism. The first portion has a first end and an opposite second end, with the first end being coupled to the patient sealing assembly. The second portion has a first end and an opposite second end, the first end movably coupled to the second end of the first portion and the second end coupled to a portion of the headgear assembly. The second portion is movable among a first position in which the first and second portions are generally aligned and a second position in which the first and second portions are disposed generally parallel. The fastening mechanism fastens the first and second portions in the second position.

01-30-2014

20150075530

VENTILATION INTERFACE - A respiration assist mask having an input gas feed tube, a ventilation interface, a facial interface and nasal inserts. The gas feed tube can connect to the ventilation interface and form a seal. The ventilation interface may be joined with the facial interface to form a seal between the ventilation interface and the facial interface, as well as between the facial interface and the face of a user. Additionally, nasal inserts may be inserted into a portion of the facial interface and form a seal between the inserts and the facial interface.

03-19-2015

20130319417

SLEEP APNEA BREATHING MASK - A breathing mask consists of a housing having a chamber surrounding the user's nose. An air inlet includes a coupling to a hose connected to a source of pressurized air. To each side of the chamber, connections are provided for a strap going around the head of the user above the ears. At the top of the chamber a bracket emanates upwardly and terminates at a short horizontal piece that has a cushion underneath engaging the forehead of the user.

12-05-2013

20130340761

RESPIRATORY MASK HAVING GAS WASHOUT VENT AND GAS WASHOUT VENT ASSEMBLY FOR A RESPIRATORY MASK - The present invention provides a vent assembly suitable for use with a respiratory mask of the type used in CPAP treatment. In one embodiment the vent is made of a thin air permeable membrane. Generally, the membrane is thinner than 0.5 mm. The membrane can be made of a hydrophobic material such as polytetrafluoroethylene (PTFE). The membrane can also be fabricated from expanded PTFE. The expanded PTFE membrane is mounted on a polypropylene scrim. The pores of the membrane have a reference pore size of 10 to 15 microns. In an alternative embodiment, the vent assembly includes a vent constructed from stainless steel. In another embodiment the membrane has a superficial cross-sectional area of approximately 500 mm

12-26-2013

20120266886

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

10-25-2012

20100229869

ERGONOMIC AND ADJUSTABLE RESPIRATORY MASK ASSEMBLY WITH FRAME - A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a front surface and a rear surface, opposite the front surface, and adapted in use to face the patient. The frame defines an inner wall and an outer wall extending from the rear surface, the inner and outer walls being spaced to define a channel therebetween. A cushion is removably attachable to the frame such that the cushion and frame are repeatably engagable with and disengagable from one another. The cushion includes a side wall to be inserted into the channel of the frame, the side wall having a first interlocking surface that engages a second interlocking surface provided in the channel when the cushion and frame are engaged with one another. The first and second interlocking surfaces interlock with one another to removably attach the cushion to the frame.

PATIENT INTERFACE SYSTEMS - A patient interface system for delivery of a supply of air at positive pressure to the entrance of a patient's airways for treatment of sleep disordered breathing includes an air delivery tube connected to a flexible portion of a plenum; a vent structure having sufficient rigidity to support its own weight under gravity and/or not to block or fold under tube movement or tube drag; and a patient interface structure. The patient interface structure includes a seal forming structure arranged on a top portion of the plenum; and a seal positioning and stabilizing structure connected to a flexible portion of the plenum. The seal-forming structure is substantially decoupled from a tube drag force.

12-09-2010

20130340762

MASK AND MASK CUSHION THEREFOR - A cushion comprises a substantially triangularly shaped frame from which extends a membrane. The membrane is spaced away from the rim of the frame, and its outer surface is of substantially the same shape as the rim. The seal forming portion thus contacts both the surface of the wearer's nose and a portion of the wearer's face. The shape of the seal forming portion is particularly suited to effectively seal the difficult region of the facial contour that is the crease between the sides of the nose and the face.

NASAL SEAL AND RESPIRATORY INTERFACE - A nasal seal for a respiratory interface comprises a supple lower-nose-receiving center part having a concave shape pre-formed to receive and sealingly contact the tip, lower sides, and base of the nose and sealingly contact the upper lip, and position an aperture for gas flow beneath the nares of wearer. The seal may have resilience or memory towards this preformed shape.

11-19-2015

20160038705

BREATHING ASSISTANCE APPARATUS - In one embodiment, a nasal cannula is shaped to fit within a user's nares, where the nasal cannula includes at least one prong allowing high flow delivery of humidified gases and creates positive airway pressure in the patient's airway. The prongs have angled ends such that, in use, gases flowing through the prongs are directed to the user's nasal passages. The nasal cannula body is partially swiveling and preferably has a ball joint connector. In another embodiment the nasal cannula may have at least one flared end prong that preferably seals within a patient's nare.

02-11-2016

20140251334

SLEEP APNEA MASK COVER - The present invention is related to a cover for a CPAP mask formed from an insulating material. The cover is adapted to fit over a frame of a CPAP mask without contacting a wearer of the CPAP mask and to mitigate the formation of condensation on an interior of the CPAP mask.

09-11-2014

20140251335

ADHESIVE DEVICES AND METHODS FOR IMPROVING BREATHING AND/OR SLEEP USING SUCH DEVICES - Devices and methods are provided for inhibiting mouth breathing and/or improving nasal breathing, e.g., for PAP users or users with other sleeping problems. In an exemplary embodiment, an adhesive device is provided that includes an elongate membrane comprising first and second ends and side edges extending between the first and second ends, a first surface comprising an adhesive layer. The adhesive layer may be a low tack adhesive that is adherent to skin, yet is also easily removable without leaving significant residue. Optionally, the device may include one or more valves to provide one-way flow across the membrane, one or more weakened regions in the membrane, and/or one or more tabs to facilitate removal of the membrane from over a user's mouth.

09-11-2014

20140261433

NASAL ASSEMBLY - A vent assembly includes at least one vent having a first end configured to face atmosphere and a second end opposite the first end, and a central portion provided between the first and second ends including a substantially cylindrical cross-sectional shape, wherein the second end includes a counter bore.

09-18-2014

20140261435

CUSHION FOR PATIENT INTERFACE WITH LOCALIZED REGION OF REDUCED STIFFNESS - An improved resilient cushion of a patient interface is structured to engage the face of a patient and includes a deformable bellows portion having a pair of deformable elements. One of the deformable elements has an indentation formed therein that provides a localized region of reduced stiffness and which results in an improved fit on the face of the patient.

09-18-2014

20140261432

PATIENT INTERFACE SYSTEMS FOR ENSURING EFFECTIVE SEAL - A patient interface system for delivering breathable gas to a patient includes a patient interface configured to sealingly engage the patient's face. A mechanism may be provided to ensure that an effective seal is maintained between the patient interface and the patient's face by preventing, reducing, minimizing or limiting effects of disruptive forces, such as tube drag, on the patient interface.

09-18-2014

20140261431

POSITIVE-PRESSURE RESPIRATORY MASK - A positive-pressure respiratory mask can be used during medical procedures to provide oxygen to a patient while the instruments and devices used in the procedure remain in place. A flap system that includes a flexible diaphragm is used on the mask to create an airtight seal around the instrument.

09-18-2014

20150335848

AUTO-ADJUSTING HEADGEAR FOR A PATIENT INTERFACE DEVICE - A patient interface device for delivering a flow of breathing gas to an airway of a patient, comprises a mask component and auto-adjusting headgear. The auto-adjusting headgear comprises one or more straps wherein the materials have elasticity characteristics such that the headgear self-adjusts. The headgear comprises two lateral strap sections, a rear strap section, and a top strap section. The strap sections are of varying materials and thicknesses to control the properties of the strap sections. In one embodiment, at least a portion of a strap includes a high friction material disposed so as to contact a portion of the user responsive to the headgear being donned by a user.

11-26-2015

20140261434

INTERCHANGEABLE MASK ASSEMBLY - A system of breathing arrangements for delivering breathable gas to a patient includes at least first and second cushion components, e.g., full-face, nasal, nasal prongs, nose tip, and/or a combination of any of the above, including a nasal or full-face cushion and nasal prongs/nozzles combination, etc., that are different from one another in at least one aspect, and a common frame assembly configured to support each of the first and second cushion components. Various embodiments are directed to a full-face or nasal mask used with a frame having lateral connector portions having a stiffening member. The mask assembly may include a nose height adjustment device for the height of the cushion, or a cushion adjustment member by which the position of the cushion may be adjusted relative to the frame. The mask assembly may include a chin strap assembly.

09-18-2014

20140261430

Facial Mask Apparatus and Method of Making - A face mask for extended wear by a user including a customized, contoured facial mask face surface portion constructed and configured to cover and to contact a corresponding contoured surface area of a human face, preferably formed by 3-D printing methods and materials.

09-18-2014

20130081629

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

04-04-2013

20090241962

VENTILATOR LEAK COMPENSATION - A ventilator including a pneumatic system for providing and receiving breathing gas, and a controller operatively coupled with the pneumatic system. The controller is operable to control circulation by the pneumatic system of breathing gas to and from a patient, and to adjust at least one of a volume and pressure of breathing gas delivered to the patient, such adjustment being based upon elastic properties of a component used to fluidly couple the pneumatic system to a patient.

10-01-2009

20130276790

ARTICULATING HEADGEAR CONNECTOR FOR RESPIRATORY MASKS - Applicants have disclosed an “Articulating Headgear Connector for Respiratory Masks” which allows three-dimensional movement of the headgear connector to alleviate the mechanical forces incurred from a wearer's head movement, and thus maintain an effective seal. In the preferred embodiment, the invention comprises: a CPAP mask having a plastic shell; the mask has a stub tube extending outwardly from the shell; a headgear connector mounted loosely onto the stub tube; a T-shaped nib on the elbow guides the headgear's movement; whereby the headgear connector can slide forward on the stub tube (i.e., move along the Z axis), guided by the nib; and, whereby the headgear connector can rock (i.e., about the X-Y axes) and its sides seesaw on the stub tube (i.e., along the Z-axis), with the amount of rotation and seesawing limited by the nib.

10-24-2013

20110094513

OXYGEN MASK - An oxygen mask comprises an oxygen supply unit and an attachment unit which is to be attached to a periphery of a nose or a nose and a mouth of a patient. The attachment unit includes an opening which communicates with external air and which is formed at a position to which, when the oxygen mask is attached to the patient, at least one of the nose and the mouth of the patient is opposed.

04-28-2011

20140311493

HYBRID VENTILATION MASK WITH NASAL INTERFACE AND METHOD FOR CONFIGURING SUCH A MASK - A nasal ventilation interface and method for providing nasal ventilation to a patient includes a hybrid face mask, covering only the mouth, coupled with removable nasal inserts extending from the upper surface of the mask. The nasal interface has modular, removable, and disposable nasal pillows connecting the upper surface of the mouth-portion of the mask to the user's nares. Each part of the hybrid mask is modular and can be formed in various shapes and sizes. The ventilation interface has differing gas line entry ports and can be shallow with a relatively deep soft facial interface or deep with a relatively shallow facial interface. In either case, the upper surface receives the nasal interface. The upper surface can have a removable ceiling in which is defined a nasal interface connector. The nasal interface can be integral with a removable ceiling. The entire hybrid mask can be made in one piece.

10-23-2014

20100024825

PATIENT INTERFACES - The present invention relates to a device for delivering a supply of gases to a patient. The device includes a patient interface and connecting member. The connecting member is preferably a L-shaped swivelled connector that is capable of being fixed into one of two positions, a first position where the connector is freely rotatable within the patient interface, and a second position where an interference between the interface and connector prevents the free rotation of the connector within the patient interface. The present invention further relates to a connector that has outlet means, which includes at least one outlet vent and a funnel, which in use directs and passes a substantial portion gases expired from the patient through the outlet vent or vents.

02-04-2010

20120180794

RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly for delivering breathable gas to a patient includes a mask frame having a first cooperating interlocking structure; a mask cushion provided to the frame; a cushion clip to retain the mask cushion on the mask frame, the cushion clip having a second cooperating interlocking structure and being selectively attachable to and detachable from the mask frame, the first and second cooperating interlocking structures interlocking to secure the cushion clip on the mask frame; and an elbow joint provided to the frame and having a swivel tube adapted to connect to a gas delivery conduit. The first and second cooperating interlocking structures include a tab-recess arrangement in which a plurality of tabs are engageable within respective recesses.

07-19-2012

20130233317

CONNECTOR FOR A RESPIRATORY MASK AND A RESPIRATORY MASK - A respiratory mask assembly for delivering breathable gas to a patient includes a frame and an elbow assembly. The frame has a front surface and a rear surface adapted in use to face the patient. The frame includes a main body providing an aperture therethrough for the introduction of breathable gas into a nasal breathing cavity. The elbow assembly is swivelably coupled to the front surface of the frame. The elbow assembly includes a swivel elbow that defines an intake port and an exhaust port separated from the intake port using a baffle. The elbow assembly includes an end portion that interfaces with the aperture of the frame.

09-12-2013

20150335847

GAS SUPPLY MASK APPARATUS - A gas supply mask apparatus comprises a mask main body which can be put on a mask wearer relatively simply and relatively reliably by extending a head-worn band such as an elastic bandage relatively simply and relatively reliably over the head of the mask wearer even when there is no head-worn string such as a rubber string at hand. A string attaching short hole and band attaching long hole are formed in each of the left and right end portions of the outer peripheral portion of the mask main body.

11-26-2015

20140202463

PATIENT INTERFACE DEVICE - A patient interface device (e.g., nasal pillows, a nasal mask or a full-face mask) for delivering breathable gas to a patient has a frame with a main body and a side frame member provided on each lateral side of the main body, each side frame member including a first connector portion, and a headgear assembly removably attachable to the frame, the headgear assembly having a second connector portion adapted to be removably coupled with the first connector portion provided on the frame. The first connector portion and the second connector portion are configured for rotationally locking engagement in a plurality of different rotationally locked positions in which the first and second connector portions may not rotate relative to one another, such that the headgear assembly is rotationally adjustable with respect to the frame.

SYSTEMS AND METHODS FOR PROVIDING POSITIVE AIRWAY PRESSURE IN A TUBE-LIKE STRUCTURE - The systems and methods described herein include a small system integrated within a tubing for providing positive air pressure to a patient. The system may include a tube with an inlet opening, an expansion section with a gas flow generator, and an outlet opening. The systems and methods described herein provide improved mobility, comfort, and usability for patients.

10-09-2014

20100258128

INFANT NASAL INTERFACE MASK - An infant nasal interface mask for use with a nasal continuous positive airway pressure (nCPAP) system including a mask body and a base. The mask body forms a cavity and is defined by a leading portion, an intermediate shell portion, and a trailing portion. The leading portion terminates in a leading edge forming an aperture open to the cavity and having a generally triangular shape for placement over a patient's nose. The trailing portion includes a bellows segment characterized by an increased flexibility as compared to a flexibility of the intermediate shell portion. The base extends from the trailing portion opposite the leading portion and forms at least one longitudinal passage extending through a thickness of the base and fluidly connected to the cavity. The intermediate shell portion is laterally pivotable relative to the base via the bellows segment.

10-14-2010

20120111333

RESPIRATORY DEVICE COMPRISING A FASTENING SYSTEM - The invention relates to a device for respiration which consists at least of one body that delimits an inner chamber from an outer chamber, a region for sealing the device against parts of the face of a patient, fastening elements for positioning the device on the patient's head and a connection for supplying respiratory gas. The device is equipped with an actuator, which when adjusted, changes the distance of at least one part of the device from at least one part of the body of the patient.

CPAP MASK AND SYSTEM - A continuous positive air pressure (“CPAP”) or ventilator system includes a mask and an air flow generator. The air flow generator is mounted or provided to the mask's wearer. In one embodiment, air flow generator is mounted on the mask.

12-11-2014

20140366882

MASK VENT - Apparatus for providing positive airway pressure therapy to the airways of a patient includes a mask, a gas delivery conduit coupled to the mask, and a vent located in the mask or near the mask in the gas delivery conduit, to allow washout of exhaled carbon dioxide. The vent includes a plurality of vent orifices, the vent orifices being constructed and arranged to be open in use at least during the inhalation and exhalation phases of the user's breathing cycle. Each of the vent orifices being molded into a surface as a curved flow path from an interior of the mask or gas delivery conduit to atmosphere so that a vent flow from each of the orifices is directed in different directions, into one another, and/or slightly offset from one another to create diffuse air flow.

12-18-2014

20110146684

FOAM-BASED INTERFACING STRUCTURE METHOD AND APPARATUS - A cushioning component for use with a mask is constructed of foam material. A patient contacting surface, that is adapted to contact a patient, in use, has a rounded cross sectional profile and a base surface opposed to the patient contacting surface.

06-23-2011

20120186586

Vertical Drop Out Box Method And Apparatus - The present invention provides a method and apparatus for storing breathing masks in a tall and narrow space and deploying the masks from that space. The apparatus may be embodied as a removable cartridge containing a breathing mask assembly housed within a frame. The cartridge is comprised of a first side and second side which can move relative to the frame. The first side includes a hinge. In operation, the cartridge slides relative to the frame and rotatably opens via the hinge after the cartridge substantially exits the frame. A breathing mask is released to a user after the first and second halves rotatably separate.

07-26-2012

20100199992

CUSHION INSIDE A CUSHION PATIENT INTERFACE - A patient interface device that includes a mask shell and a cushion assembly. The cushion assembly includes a seal cushion and a support cushion. The seal cushion contacts a first area of a patient's face to form a seal therewith. The support cushion defines a second area over a face of such a patient when the patient interface device is being worn. The second area overlaps at least a portion of the first area.

08-12-2010

20120279502

PATIENT INTERFACE WITH FOREHEAD SUPPORT SYSTEM - A patient interface having a forehead support adjustably. The forehead support assembly includes a support arm that is adjustably mounted to the mask shell, thereby allowing the adjustment of the distance between the forehead support bracket and the mask shell in order to adjust for patients of different sizes. A forehead support bracket is pivotally connected to the support arm. The pivoting forehead support bracket is self-aligning to allow the forehead pad to remain parallel to the patient's forehead at all times, thus enhancing comfort and stability. The forehead support bracket is removable from the support arm, allowing the headgear (with support bracket attached) to be donned separately from the mask and support arm. The forehead support bracket in one embodiment has a forehead pad formed from the headgear itself.

11-08-2012

20100192954

MASK - A mask for supplying gas under pressure to the nasal airway of an infant human includes a manifold for supplying air to an aperture in the mask. A shaped membrane structure formed from a thin walled membrane defines an enclosure for receiving at least the nares of an infant human nose and a generally trapezoidal aperture adapted to fit around the nasal area of the infant human. Part of the membrane around the aperture is sufficiently flexible to mould to the shape of the infant human's nasal area or is contoured to generally match the contours around that nasal area whilst the membrane structure itself has sufficient rigidity to support the weight of the backing plate without collapsing. The provision of a generally trapezoidal rather than the generally triangular apertures for fitting around the nares provides a substantially improved fit when the mask is used with infants. The moulding or contouring of the membrane structure around the aperture to match the shape of the infant's facial contours around the nasal area including the provision of a generally planar portion surrounding the aperture is also important in ensuring a comfortable fit and an effective seal. The mask is entirely formed from a flexible elastomeric material for reason of comfort and function.

08-05-2010

20130192601

Flow-Inflating Mask Interface for Noninvasive Positive Pressure Ventilation - A flow-inflating respiratory face mask is disclosed that includes a thin, pliant skirt that surrounds the base of the face mask. The skirt inflates automatically when the face mask receives external pressurized air. The skirt is compliant, soft, and adapts easily to the topography of the face which produces a good fit and adds to the comfort of the patient.

08-01-2013

20120266887

DOUBLE-ENDED BLOWER AND VOLUTES THEREFOR - A variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired pressure and flow characteristics. Thus, the blower can provide faster pressure response and desired flow characteristics over a narrower range of motor speeds, resulting in greater reliability and less acoustic noise.

NON-INVASIVE VENTILATION MASK AND USE THEREOF - The present invention relates to a non-invasive-ventilation-mask to patients with and ongoing endoscopic procedure without interrupting the procedure, without removing the endoscopic probe and without requiring endotracheal intubation.

BREATHING ASSISTANCE APPARATUS - Headgear for use with a respiratory mask is described. The headgear comprises a continuous and substantially curved elongate member extending in use below a user's nose and at least two headgear straps capable of attachment to the ends of the elongate member. A mask attachment on the elongate member is disposed to sit below or on one of said user's nose, mouth, upper lip and an inlet to the mask. The attachment is capable of receiving the mask.

NASAL INTERFACE - A nasal cannula for use in a system for providing a flow of respiratory gases to a user is described. The nasal cannula comprises a body made from a pliable material. The body has an inlet and at least one nasal prong fluidly connected to the inlet. In use a conduit providing a flow of gases to the cannula is connected to the inlet, and the nasal prong is inserted into a user's nostril. The cannula is arranged to direct the flow of gases from the nasal prong towards the front wall of the user's nasal passage within the user's nose.

12-20-2012

20120318269

BREATHING ASSISTANCE APPARATUS - A patient interface that is comfortable for a user to wear is disclosed. The patient interface includes a forehead rest and cushion. In particular the cushion includes a deformable resilient member that when compressed creates a uniformly and gradually increasing force while evenly distributing the pressure on the forehead of the patient.

PATIENT INTERFACE SYSTEMS - A headgear for positioning a patient interface structure for delivering a pressurized flow of breathable gas to the airways of a patient includes at least one flexible strap loop which is attachable to the patient interface structure by a forked region of the at least one strap loop that is mountable on the patient interface structure. The at least one strap loop positions the patient interface structure on the face of the patient. The forked region includes two forks adapted to be attached to an upper and lower portion on the patient interface structure. The two forks are connected by a bridge so that the forked region is divided into a first region and a second region, and the first region is mountable on the patient interface structure. An elbow for a patient interface system for delivering a flow of breathable gas to a patient includes a first portion having a first end configured to be connected to the patient interface system; and a second portion having a second end configured to be connected to a tube that delivers the flow of breathable gas. An outer circumferential wall includes a plurality of perpendicular steps formed therein and a plurality of vent holes are provided perpendicular to the plurality of perpendicular steps.

09-16-2010

20140230821

VENTILATION DEVICES AND METHODS OF USE - Provided are systems, devices and methods for ventilating patients. For example, provided are ventilation masks. The described ventilation masks can be used in ventilation procedures of patients.

08-21-2014

20120318272

CUSHION INSIDE A CUSHION PATIENT INTERFACE - A patient interface device that includes a mask shell and a cushion assembly. The cushion assembly includes a seal cushion and a support cushion. The seal cushion contacts a first area of a patient's face to form a seal therewith. The support cushion defines a second area over a face of such a patient when the patient interface device is being worn. The second area overlaps at least a portion of the first area.

12-20-2012

20140360503

PATIENT INTERFACE DEVICE - The present invention relates to a patient interface device and system for delivering continuous airway pressure to a patient (

12-11-2014

20160095996

NASAL INTERFACE - Nasal interface systems and related components. An embodiment of the system employs a nasal interface comprised of a base portion and a soft pad portion. The base portion employs one or more side-entry fluid supply hoses and flow redirection structure which gently and quietly redirects the flow of incoming fluid to avoid the creation of noise. One or more fluid supply hoses are connected to the one or more inlets, preferably by releasable engagement structure. The nasal interfaces of the invention are sleek, unobtrusive, visibly attractive and avoid exposure of expelled gases toward partners of the wearer.

04-07-2016

20130220327

UNOBTRUSIVE NASAL MASK - A patient interface for delivering breathable gas to a patient includes a mask having a sealing portion adapted to form a seal with the patient headgear adapted to secure the mask to a head of the patient and an adjustable strap assembly including a pair of straps connected to one another in a length adjustable manner.

COCKPIT OXYGEN SUPPLY DEVICE - A cockpit oxygen supply device includes at least one oxygen mask which is conductively connectable to an oxygen tank, wherein at least one throughput measurement device is arranged in the flow path of the device. A breathing activity of the pilot and/or an undesired outflow from the mask may be recognized with the help of an evaluation device.

GAS MASK ASSEMBLY WITH SWIVEL CONNECTOR - A connection assembly for joining a gas supply line to an article, the assembly comprising a first member having first and second ends, inner and outer walls; and a through passage between said ends; a second member having first and second ends, the second end engagable with the first member via the first end of the first member, the second end of the first member connectable to the article and the first end of the second member connectabte to a gas line; wherein the connection between the first and second members is arranged to allow relative movement between the first and second members such that either of the first and second members are each able to rotate axially relative to the other member through a 360 degrees arc about longitudinal axes through each member and to each move relative to the other member between a first disposition where the longitudinal axes of the first and second members are in alignment and at least one second disposition where at least the second member is disposed at an angle to the longitudinal axis of the first member.

09-16-2010

20120125338

DUAL TUBE MASK WITH NASAL CANNULA - A dual tube mask system having a shell attached to a frame where the shell has a primary port that is connected to a machine for blowing breathable gas to the mask through a tube. A nasal cannula is disposed within the shell and is connected to a source of oxygen.

05-24-2012

20120125339

PATIENT INTERFACE ASSEMBLY AND SYSTEM USING SAME - A patient interface assembly that includes a patient interface device, a headgear, and pivoting coupling member joining the interface device to a headgear assembly. In one embodiment, the patient interface device is a nasal cushion that includes a formable support mounted to the nasal cushion for providing support and adjustment of the nasal cushion to improve fit and comfort. In a further embodiment, a pair of rigid connecting members couple the patient interface device to the headgear.

05-24-2012

20150343165

CONTAINER FOR A RESPIRATORY MASK AND A RESPIRATORY MASK - A respiratory mask assembly for delivering breathable as to a patient includes a frame and an elbow assembly. The frame has a front surface and a rear surface adapted in use to face the patient. The frame includes a main body providing an aperture therethrough for the introduction of breathable gas into a nasal breathing cavity. The elbow assembly is swivelably coupled to the front surface of the frame. The elbow assembly includes a swivel elbow that defines an intake port and an exhaust port separated from the intake port using a baffle. The elbow assembly includes an end portion that interfaces with the aperture of the frame.

12-03-2015

20100108070

VENTILATOR MASK AND SYSTEM - A continuous positive air pressure (“CPAP”) or ventilator system includes a mask and an air flow generator. The air flow generator is mounted or provided to the mask's wearer. In one embodiment, air flow generator is mounted on the mask.

VENTILATION MASK WITH INTEGRATED PILOTED EXHALATION VALVE - In accordance with the present invention, there is provided a mask for achieving positive pressure mechanical ventilation (inclusive of CPAP, ventilator support, critical care ventilation, emergency applications), and a method for a operating a ventilation system including such mask. The mask of the present invention includes a piloted exhalation valve that is used to achieve the target pressures/flows to the patient. The pilot for the valve may be pneumatic and driven from the gas supply tubing from the ventilator. The pilot may also be a preset pressure derived in the mask, a separate pneumatic line from the ventilator, or an electro-mechanical control. The mask of the present invention may further include a heat and moisture exchanger (HME) which is integrated therein.

12-27-2012

20130186403

Breathing Assistance Apparatus Having Floating Function - A breathing assistance apparatus includes a main body unit, a head strap unit, a nasal prong unit, and an intake unit. The main body unit has a rearwall, a frontwall, a connecting wall connected between the rearwall and the frontwall to define a chamber thereamong. The connecting wall has a rearwall-connecting portion connected to the rearwall, and a frontwall-connecting portion connected between the frontwall and the rearwall-connecting portion and having a thickness smaller than that of the rearwall-connecting portion so as to allow for floating movement of the frontwall relative to the rearwall.

RESPIRATORY MASK - This invention concerns a respiratory mask for delivering inspiratory gas to a wearer. The respiratory mask has a mask body of generally concave shape and having a peripheral edge. The mask body being is formed of a first material and adapted to provide a cavity in use about the mouth and nose of a wearer such that the inhalation gas can be inhaled by the patient from the cavity. The mask body has an inlet port that is engageable with a supply of inhalation gas and in communication with the cavity. The mask body has a resilient seal formation depending from at least a portion of the peripheral edge. The mask body has at least one panel formed of a second material that is softer than the first material of the mask body so as to allow lateral deflection of the mask body to accommodate different facial widths.

RESPIRATION MASK ASSEMBLY - A respiration mask assembly including: a mask body having a front part that defines a front opening adapted to communicate fluidly with a gas supply, and a rear part that defines a rear opening opposite to the front opening in a horizontal direction; a forehead support beam extending outwardly from and pivoted to the front part of the mask body so as to rotate relative to the mask body about a first axis transverse to the horizontal direction; and a worm pivoted to the front part of the mask body. The forehead support beam has a toothed pivot end engaging the worm such that rotation of the worm about a second axis transverse to the first axis results in rotation of the forehead support beam about the first axis.

HOLLOW STRUCTURE AND METHOD/TOOL FOR MANUFACTURING SAME - A method for producing a filled hollow structure includes producing an open hollow structure of a first material, positioning the open hollow structure on a tool adapted to hold the open hollow structure, filling the open hollow structure with a filler medium, and closing the filled open hollow structure with a second material. A hollow structure may be produced by such method, and a tool may be structured to perform such method.

04-29-2010

20130087149

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

04-11-2013

20120132209

PATIENT INTERFACE SYSTEMS - A headgear for use with a patient interface for delivering a flow of breathable gas to a patient includes at least a strap (

05-31-2012

20140166016

Respiratory Mask - A respiratory mask includes a cup-shaped body having an annular flange, and a hollow face-contact body having an annular connecting end portion embedding the annular flange. The annular flange has opposite first and second annular surfaces, a plurality of angularly spaced-apart through holes, and an outer annular peripheral edge interconnecting the first and second annular surfaces. The annular connecting end portion includes outer and inner annular plates abutting against the first and second annular surfaces, respectively, a plurality of connecting ribs respectively filling the through holes and interconnecting the inner and outer annular plates, and an annular rim surrounding the outer annular peripheral edge.

06-19-2014

20140216462

CUSHION ASSEMBLY - A foam cushion assembly for a patient interface, the foam cushion assembly being adapted to couple with a patient interface frame, the cushion assembly comprising a substantially above the nose seal portion and a mouth seal portion, wherein the cushion assembly comprises a foam cushion arranged to form with the frame a common plenum chamber for sealing about the nose and mouth.

GAS SUPPLY MASK APPARATUS - A gas supply mask apparatus has low possibility that a gas rising in a mask main body will flow out from the upper end and the surrounding vicinity of the mask main body and give discomfort to the eyes of a mask wearer. In this gas supply mask apparatus, an angle formed between a direction in which a gas introduction opening faces and a virtual vertical plane facing right frontways falls within the range of 30° to 60° (preferably, the range of 35° to 55°, and more preferably, the range of 40° to 50°) when the mask main body is viewed right sideways.

11-26-2015

20130068230

PATIENT INTERFACE WITH TORQUE-RESISTANT CONNECTION - An patient interface that reliably maintains a seal between it and the patient. The patient interface advantageously includes a deformation portion at its point of connection with an air supply, with the deformation portion being relatively more deformable than the other portions of the patient interface in order to resist torque applied by the air supply from disturbing the seal between the patient interface and the patient. While the air supply is pivotably connected with the patient interface and is pivotable about a pivot axis, a torque applied about an axis other than the pivot axis results in deformation of the deformation portion and thus advantageously avoids breaking the seal between the patient interface and the patient.

03-21-2013

20140109912

CUSHION FOR A PATIENT INTERFACE - A respiratory mask is provided having an outer shell coupled to a cushion for the delivery of a gas to a user. The cushion of the respiratory mask has at least one pleat disposed in the cushion in order to provide varying degrees of flexibility and support about the cushion.

04-24-2014

20120132208

CUSHION ASSEMBLY FOR A RESPIRATORY MASK - A mask cushion or a mask assembly therewith provides a comfortable and effective seal for provision of a gas therapy by a respiratory treatment apparatus. The mask cushion (

05-31-2012

20130239972

BREATHING ASSISTANCE APPARATUS - A mask assembly for use as part of an apparatus for supplying a flow of respiratory gases to a user is disclosed. The mask assembly includes a mask body having an inlet through which said flow of respiratory gases are provided to the interior of said mask body. A mask seal assembly comprising a seal of flexible material and a clip of rigid material is attached to the body. The seal has a first side and a second side. The first side of the seal is shaped to approximately match the contours of a user's face and in use substantially seal against a user's face. The second side is attached to the clip. The clip provides an interface extending substantially the full perimeter or periphery of the mask seal assembly for releasably attaching the mask seal assembly to the mask body. The clip comprises a bridging portion spanning outwards from the perimeter or periphery of the mask body to space at least a portion of the second side of the seal outwards from the perimeter or periphery of the mask body.

ULTRASONIC WELDING OF FABRICS FOR SLEEP APNEA TREATMENT - A respiratory apparatus may employ ultrasonic welds. The ultrasonic welding may be used to join a variety of headgear, mask and accessory components. This process may enhance comfort, fit and/or performance of the joined components and/or overall mask assembly. A component may be a single layer component such as a textile or fabric, or a composite or multiple layer component such as fabric and foam composites, or outer fabric layers and inner spacer fabrics. Further, a component may be a strap, some other headgear component, a mask component, an accessory component or the like.

07-10-2014

20130081632

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

04-04-2013

20130081631

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

04-04-2013

20160136375

BREATHING MASK - The present invention relates to a breathing mask for use in a respirator, comprising a receiving cover comprising an engagement portion for engaging a patient's mouth portion and/or nose portion, a connection portion connected to a breathing pipe, and an elastic deformable portion for connecting the engagement portion with the connection portion; a bracket assembly, comprising a forehead support disposed external of the connection portion and a receiving cover fixing frame fixedly disposed external of the engagement portion, and an elastic member for connecting the forehead support with the receiving cover fixing frame from a bottom of the receiving cover. The breathing mask for use in a respirator according to the present invention may achieve automatic adjustment of the forehead support without manual assistant adjustment.

05-19-2016

20110203591

SUPPLEMENTAL GAS DELIVERY DEVICE FOR MASK ASSEMBLY - A supplemental gas delivery device is described for a mask assembly having at least one supplemental gas port, the at least one supplemental gas port including an aperture in communication with an interior of the mask assembly. The mask assembly may include an aperture communicating with an interior of the mask assembly, and a cannula for communicating with the supplemental gas port. The cannula is positioned to deliver supplemental gas adjacent to the patient's nares and/or mouth, to increase an efficacy of treatment for the patient by more directly applying the flow of supplemental gas to the patient's nares. An optional bridging portion may be included to provide a connection between supplemental gas port and the cannula.

NECK STRAP, CROWN STRAP ASSEMBLY AND HEADGEAR FOR A BREATHING MASK - The present technology relates to a neck strap, a crown strap assembly and a headgear for a breathing mask. The neck strap comprises first and second lower connection portions adapted to connect to first and second lower mask connection straps, and first and second upper connection portions adapted to connect to a first and second lateral crown straps.

02-18-2016

20150352305

RESPIRATORY MASK SEALING INTERFACE - A sealing interface includes an inner cushion and an outer sheath. The outer sheath substantially seals against the facial contours of the user. The inner cushion and the outer sheath each have a nasal bridge region, left and right cheek regions and either one of an upper lip region or a chin region. In use these regions are aligned with the corresponding nasal bridge region, left and right cheek regions and either the upper lip region or the chin region of a user. The inner cushion includes a hinged region. The hinged region is adapted to flex substantially independently of the inner cushion cheek regions.

12-10-2015

20150352306

PATIENT INTERFACE AND METHOD FOR MAKING SAME - A patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways comprising: a cushion member that includes a retaining structure and a seal-forming structure permanently connected to the retaining structure; a frame member attachable to the retaining structure; and a positioning and stabilising structure attachable to the frame member.

12-10-2015

20130008446

HEADGEAR FOR MASK ASSEMBLY - A mask system for use between a patient and a structure to deliver a breathable gas to the patient includes a mask assembly including a frame, a cushion provided to the frame, and optionally an elbow provided to the frame. Headgear is removably attached to the mask assembly to maintain the mask assembly in a desired position on a patient's face. The headgear includes a top strap, crown straps which cooperate to form a round shape adapted to accommodate a crown of the patient's head, and bottom straps.

01-10-2013

20130008445

RESPIRATORY ASSISTANCE MASK - According to the present device, system, and method, the respiratory assistance mask comprising a hollow body bounding an internal chamber provided with a respiratory gas inlet and outlet, and a bearing member is remarkable in that it also comprises: a flexible membrane inserted on said bearing member and being able to be interposed between said bearing member and the face of said patient: and a multi-perforated internal skirt inserted, thru one of its two contours, on said bearing member and surrounded, at least partially, by said flexible membrane, the free contour of said skirt extending in direction of said internal chamber.

01-10-2013

20100078028

PATIENT INTERFACES - The present invention relates to a device for delivering a supply of gases to a patient. The device includes a patient interface and connecting member. The connecting member is preferably a L-shaped swivelled connector that is capable of being fixed into one of two positions, a first position where the connector is freely rotatable within the patient interface, and a second position where an interference between the interface and connector prevents the free rotation of the connector within the patient interface. The present invention further relates to a connector that has outlet means, which includes at least one outlet vent and a funnel, which in use directs and passes a substantial portion gases expired from the patient through the outlet vent or vents.

04-01-2010

20090301495

NASAL CONTINUOUS POSITIVE AIRWAY PRESSURE DEVICE AND SYSTEM - An nCPAP device including a generator body defining first and second fluid flow circuits each including a tube and first and second nozzles. The tube defines a passageway forming an axial centerline. The first and second nozzles are associated with the tube and each defines an inlet and an outlet. The inlets are open to a fluid supply, whereas the outlets are open to the passageway. Each nozzle is adapted to emit a fluid jetstream from the outlet along a flow direction axis. The nozzles are arranged such that the flow direction axes are non-parallel relative to each other and relative to the axial centerline. This configuration readily induces vortex shedding during an expiratory phase, thus facilitating jet fluid flow disruption and reducing a patient's work of breathing.

12-10-2009

20120017909

SYSTEMS AND METHODS FOR CONSERVING OXYGEN IN A BREATHING ASSISTANCE DEVICE - A system and method for conserving oxygen in a breathing assistance device are disclosed. A method may include delivering breathable gas with a first average oxygen concentration during a first portion of an inhalation phase for a patient. The method may also include delivering breathable gas with a second average oxygen concentration during a second portion of an inhalation phase for a patient.

PATIENT INTERFACE AND ASPECTS THEREOF - A patient interface has a single loop headstrap and a mask for covering at least the nostrils of the user. The single loop headstrap extends from the mask at either end. A short length of supple conduit is coupled to the mask by a swivel or ball joint to allow rotation of the conduit relative to the mask through different angles and orientations.

06-23-2011

20150352308

PATIENT INTERFACE AND METHOD FOR MAKING SAME - A nasal patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways comprising: a cushion member that includes a retaining structure and a seal-forming structure permanently connected to the retaining structure; a frame member attachable to the retaining structure; and a positioning and stabilising structure releasably attachable to the frame member.

12-10-2015

20130008447

NASAL ASSEMBLY - A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.

01-10-2013

20150128950

RESPIRATORY MASK HAVING GAS WASHOUT VENT AND METHOD FOR MAKING THE MASK - A washout vent for a mask for use with a system for supplying breathable gas pressurized above atmospheric pressure to an airway of a mammal for treatment of sleep disordered breathing, includes a solid mask section and a vent orifice extending through a thickness of the solid mask section and adapted for gas washout. The vent orifice includes opposed side walls providing a flow passage that allows gas to flow along the opposed side walls from an interior of the mask to atmosphere in use, and the opposed side walls defining at least a portion of a conic section having a length substantially greater than its width. The vent orifice includes an orifice inlet at the interior of the mask and an orifice exit open to atmosphere, and the opposed side walls converge from the orifice inlet to the orifice exit to reduce noise of gas washout.

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

04-04-2013

20130081628

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

04-04-2013

20160051787

NASAL CANNULA - A nasal cannula including: a cannula body having a tubular shape, which is provided with a pair of paths through which respiration gas flows, and a partition wall which partitions the paths and makes outer sides of bent parts of the paths respectively; a pair of introducing pipes which are formed integrally with the cannula body at both end parts of the cannula body so as to communicate with end parts of the paths respectively and to be connected to a pair of supply tubes supplying the respiration gas respectively; and a pair of nasal pipes which are formed integrally with the cannula body at a center part of the cannula body so as to communicate with other end parts of the paths respectively, and to be inserted into nares.

02-25-2016

20160051786

BREATHING ASSISTANCE APPARATUS - A mask with cushion that has an outer film is disclosed. The film may be self-skinning or a film formed about or glued to the cushion body. In another form the cushion may be formed with at least a portion having a plurality of adjacent voids having honeycomb-like structure.

02-25-2016

20130074845

PATIENT INTERFACE AND HEADGEAR - Patient interface components and/or associated head gear and adjustment systems improve sealing and/or patient comfort and/or ease of use. The interface comprising an inflating or ballooning seal. The headgear assembly can be connected to the interface with an elastic component and an inelastic component. The elastic component enabling a course fitting of the interface to the patient and the inelastic component enabling a final fitting of the interface to the patient.

03-28-2013

20150352381

DATA COMMUNICATION AND DISPLAYS FOR BREATHING APPARATUS FACEPIECES AND PRESSURE REGULATORS - A system includes a pressure regulator including a housing, an inlet for connection to a pressurized gas comprising oxygen, and at least one energy transfer element. The system further includes a respiration facepiece including at least one seal system to form a sealing engagement with the face of a user to encompass the nose and mouth of the user, thereby creating a volume of sealing engagement between the respiration facepiece and the user, an opening into the volume of sealing engagement of the respiration facepiece in communicative connection with an interface for removable attachment of the pressure regulator to the respiration facepiece, and an inspiration port in fluid connection with the interface and in fluid connection with the volume of sealing engagement. The pressure regulator interface includes at least one cooperating energy transfer element such that energy can be transferred between the at least one energy transfer element and the at least one cooperating energy transfer element to transfer at least one of data or power into the volume of sealing engagement.

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

Breathing mask arrangement and a forehead support device for same - A forehead cushion for a forehead support of a breathing mask arrangement includes a cushion element including a contact surface adapted to contact a patient's forehead and provide a distribution of contact force and a coupling element provided to the cushion element. The coupling element is adapted to couple the cushion element to the forehead support. The cushion element is movable with respect to the coupling element to achieve different contact positions on the patient's forehead.

04-15-2010

20130000645

MASK WITH PORT AND METHOD FOR USING SAME - Embodiments of a face mask with a port configured to allow flow through the face mask at least in a direction towards a user, generally defined as an adhesive side or user side of the mask are provided, along with methods for using the same. In one embodiment, a face mask includes a breathable, flexible sheet having a first side and a second side, an adhesive disposed on a perimeter of the second side, the adhesive circumscribing a center region of the sheet and a port comprising a center region of the sheet. The port is configured to allow flow through the face mask at least in a direction towards a user without removal from the user.

POSITIONING AND STABILISING STRUCTURE FOR A PATIENT INTERFACE SYSTEM - A patient interface system to treat sleep disordered breathing of a patient with pressurized gas, comprising: a patient interface; at least one strap; at least one retractor fixedly attached to the patient interface, said at least one retractor connected to the at least one strap and configured to retract the at least one strap without patient actuation; and at least one pad to cushion a rearward portion of the patient's head, said at least one pad having an opening, wherein said at least one strap passes through said opening to allow the at least one pad to move freely relative to said at least one strap.

10-15-2015

20100132711

Blower Motor with Flexible Support Sleeve - A double-ended blower includes a blower motor assembly supporting opposed first and second shaft ends. The first and second shaft ends have respective first and second impellers attached thereto and enclosed within first and second volutes, respectively. The first volute is connected to an inlet and the second volute is connected to an outlet. The blower motor assembly is at least partially enclosed within a flexible sleeve, with a radially outer inter-stage gas path extending between the first and second volute, and radially inward of the flexible sleeve.

06-03-2010

20090314296

SYSTEM FOR REGULATING THE DISPENSING OF COMMERCIAL AIRCRAFT PASSENGER OXYGEN SUPPLY - The aircraft emergency oxygen supply system includes one or more sources of supplemental breathable oxygen, one or more inlet valves for one or more breathing devices, connected to the inlet valves, and one or more cabin air pressure transducers. A pressure controller controls the inlet valves in response to the one or more cabin air pressure transducers. One or more second pressure transducers may connected to conduits downstream of inlet valves to be monitored, and the pressure controller may also control operation of the inlet valves in response to the one or more second pressure transducers.

12-24-2009

20150128951

RESPIRATORY MASK SEALING INTERFACE - A sealing interface forms part of an apparatus for supplying a flow of respiratory gases to a user. The sealing interface comprises a foam or gel inner cushion and a thin resilient rubber outer sheath. A face side of the inner cushion resiliently supports the outer sheath. The inner cushion has a toothed profile formed on the face side of the inner cushion. The toothed profile consists of at least one tooth having an apex on the perimeter of the inner cushion. The apex is positioned between two valleys in the perimeter of the inner cushion. In use the apex of each tooth of the toothed profile is in supporting contact with the outer sheath.

CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

04-18-2013

20120055482

OXYGEN CONCENTRATOR HEAT MANAGEMENT SYSTEM AND METHOD - Described herein are various embodiments of an oxygen concentrator system. In some embodiments, oxygen concentrator system includes one or more components that improve dissipation of heat formed during operation of the oxygen concentrator system.

03-08-2012

20130199537

MASK SYSTEM - A mask system for delivery of respiratory therapy to a patient includes a nares portion and a mouth portion and an inlet conduit connected to at least one of the nares portion and the mouth portion to deliver the pressurized, breathable gas. The mask system is adapted to selectively utilize the nares portion and/or the mouth portion in a first mode utilizing both the nares portion and the mouth portion, and in a second mode utilizing the nares portion and not utilizing the mouth portion.

ERGONOMIC AND ADJUSTABLE RESPIRATORY MASK ASSEMBLY WITH FRAME - A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a front surface and a rear surface, opposite the front surface, and adapted in use to face the patient. The frame defines an inner wall and an outer wall extending from the rear surface, the inner and outer walls being spaced to define a channel therebetween. A cushion is removably attachable to the frame such that the cushion and frame are repeatably engagable with and disengagable from one another. The cushion includes a side wall to be inserted into the channel of the frame, the side wall having a first interlocking surface that engages a second interlocking surface provided in the channel when the cushion and frame are engaged with one another. The first and second interlocking surfaces interlock with one another to removably attach the cushion to the frame.

06-13-2013

20140137872

FOREHEAD SUPPORT FOR A FACIAL MASK - A forehead support for a respiratory mask. The forehead support includes a pair of arms. The arms are each adapted to locate a forehead cushion. The arms are also adapted to pivot relative to each other. The arms are also selectively lockable at two or more angular positions relative to each other. The forehead support can thus be adjusted to suit the facial topography of the wearer of the respiratory mask.

05-22-2014

20140137870

PAP SYSTEM - A PAP system includes a PAP device to generate a supply of pressurized air, a patient interface adapted to form a seal with the patient's face, air delivery tubing to interconnect the patient interface and the PAP device, and a cover that substantially encloses at least a portion of the PAP device and a portion of the air delivery tubing. The cover allows the PAP device to be carried by and/or supported on the patient's head.

05-22-2014

20140345618

MASK AND VENT ASSEMBLY THEREFOR - A mask for use with a system for supplying breathable gas pressurised above atmospheric pressure to human or animal's airways includes a mask shell which is, in use, in fluid communication with a gas supply conduit and a gas washout vent assembly. The gas washout vent assembly includes at least one gas washout orifice extending from a first side of the vent assembly positioned, in use, adjacent to human or animal's face and a second side positioned, in use, adjacent the atmosphere. The cross-sectional area of the orifice at the first side is larger than the cross-sectional area of the orifice at the second side.

11-27-2014

20130032154

PATIENT INTERFACE SYSTEMS - A patient interface system for delivering a flow of breathable gas to a patient includes a patient interface structure configured to sealingly engage the patient's nares; a pair of strips configured to be connected to opposite sides of the patient interface structure; and adhesive configured to secure the patient interface structure in sealing engagement with the patient's nares. The adhesive may be provided on the strips, and the strips are configured to be adhered to sides of the patient's nose by the adhesive.

02-07-2013

20130032153

MASK FOR AN AIR DELIVERY APPARATUS, SYSTEM, AND METHOD - A mask for a system, method, and apparatus for air delivery. A formable mask having an oxygen supply port and exhaled air removal components for the delivery of oxygen enriched air to a user. The formable mask includes formable components and materials to increase comfort and minimize chafing of a wearer. The formable mask further includes a harness to hold the mask in position on a user's head, where said harness minimizes chafing of the user. An oxygen delivery system uses the formable mask and oxygen supply components. Oxygen supply components include a flow rate throttling valve and an O2 reservoir to conserve O2 use and insure O2 availability to a patient.

02-07-2013

20140137871

PATIENT INTERFACE - A patient interface for use with the administration of CPAP therapy to a patient, comprising: a body for connection with a supply of pressurized breathable gas pressurized above ambient; and a compliant patient contacting element to communicate the pressurized gas to at least the patient's nasal passages, the element including a multilayered cushioning interface, the interface comprising an interior layer and an exterior layer being provided in spaced relation to the interior layer, the exterior layer being elastically and resiliently movable towards and away the interior layer in use. Along at least a portion of the perimeter of the exterior layer, a surface of the exterior layer is deformable from the spaced relation to abut against and contact against a surface of the interior layer in dependence at least in part on a deformation force applied to the exterior layer.

05-22-2014

20120138060

PATIENT INTERFACE SYSTEMS - A patient interface system includes a nasal seal of flexible material to communicate with at least one airway of the patient, and a primary headgear from which the nasal seal is suspended, said primary headgear having at least one aperture though which at least a portion of the nasal seal is inserted with the primary headgear wrapping about at least one portion of the nasal seal in a sling-like fashion.

06-07-2012

20120090613

Breathing Apparatus - A breathing apparatus comprising: an inlet configured to receive pressurised gases, an outlet configured to diffuse the pressurised gases within the dead space of a face mask, a detachable nozzle manifold configured to pass the pressurised gases from the inlet to the outlet, and a seal configured to substantially air tight seal the nozzle manifold between a user's face and a bottom inner surface of the mask.

CPAP mask - A CPAP mask, within which is disposed a membrane that effectively separates air and carbon dioxide within a face mask into two air chambers, and a one-way air escape valve plate is fitted to an air vent at one end of the face mask. Accordingly, when air is input into the CPAP mask through a CPAP (Continuous Positive Airway Pressure) ventilator, one portion of the air expels the CO

03-11-2010

20130125895

NASAL INTERFACE DEVICE - A nasal interface device and a method of use are disclosed. The device includes a facial adaptor configured to be secured to the nose of a user and having two nostril pads having open channels configured to be inserted into nostrils of the use and a piercing/swivel adaptor configured to interact with the facial adaptor through the two nostril prongs. The piercing/swivel adaptor is further configured to be coupled to an airway tube, the airway tube is configured to supply air/gas to the user.

05-23-2013

20130139822

MASK SYSTEM - A mask system including a headgear and cushion module and a seal and frame module provided to the headgear and cushion module. The seal and frame module includes a sealing portion adapted to form a seal with the patient's face and a frame portion adapted to form a breathing chamber. The headgear and cushion module includes a cushion region adapted to support and shape the sealing portion and a headgear region adapted to support and stabilize the mask system on the patient's face.

06-06-2013

20130092169

RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly includes a frame, a forehead support, and an adjustment mechanism including a single finger-operated push button to allow selective adjustment of the forehead support relative to the frame. The frame includes a support arm and a housing provided to a free end of the support arm. The housing includes a front side including a closed configuration, a rear side, and a receiving space extending from the rear side and structured to slidably receive a slider of the forehead support. The forehead support is slidably mounted for linear movement in a direction which is substantially perpendicular to a longitudinal axis of the support arm. The single finger-operated push button includes a portion that extends through an opening provided in a top side of the housing.

04-18-2013

20140090649

Respiratory Mask with Disposable Cloth Body - The invention is a frameless, disposable cloth body for use with a respiratory mask, such as for continuous positive airway pressure therapy for those having sleep apnea. The cloth body is inflatable and moisture-vapor breathable and has an inner side having a nasal interface portion disposed on it and an outer side, and also has a circular aperture formed in a central location on the body, sized to sealingly receive an air delivery arrangement. The cloth body also has a pair of wings on opposite sides with slits arranged at optimal angles for receiving headgear straps.

GAS CARRYING HEADGEAR WITH POROUS BOUNDARY MEMBRANES - A respiratory interface device is provided. The respiratory interface device includes at least one elongated support member structured to contact a user. The support member has at least one conduit portion and at least one porous portion. The conduit portion is structured to allow the passage of gas therethrough. The conduit portion is structured to be in fluid communication with a pressure generating system and with the porous portion. The porous portion is structured to allow for axial passage of gas therethrough and for radial exhaust of gas therefrom.

03-26-2015

20130233316

INTERCHANGEABLE MASK ASSEMBLY - A mask assembly adapted for use with a positive airway pressure device includes a mask frame, a cushion provided to the frame, a forehead support assembly, and a neck to connect the frame to the forehead support assembly. The neck includes at least one wall including a first edge and a second edge, wherein lower ends of the first edge and the second edge converge towards one another in an upward direction and upper ends of the first edge and second edge diverge from one another in an upward direction. The mask assembly is configured so that a relatively narrow portion of the neck overlies the bridge of the nose or is between the eyes of a user. The relatively narrow portion is a portion of the neck where a distance between the first edge and second edge is smallest.

CPAP MASK AND SYSTEM - A continuous positive air pressure (“CPAP”) or ventilator system includes a mask and an air flow generator. The air flow generator is mounted or provided to the mask's wearer. In one embodiment, air flow generator is mounted on the mask.

05-30-2013

20130133660

MASK SYSTEM - A cushion module provided to a frame module for delivery of a supply of gas at positive pressure to be delivered to a patient's airways, the cushion module comprising a main body and a cushion, the main body defining a breathing chamber and having an exterior surface adapted to directly engage with a surface of the frame module, wherein the main body and the cushion together comprise a co-molded, integrated component, the main body comprising a molded polycarbonate material adapted to directly contact the frame module and the cushion comprises a molded silicone material adapted to interface with patient's face, and wherein the molded polycarbonate material of the main body is a more rigid material than the molded silicone material of the cushion.

05-30-2013

20130133659

MASK SYSTEM - A mask includes a shroud; a cushion module that engages the shroud, the cushion module including a frame and a full-face cushion adapted to engage the patient's face generally along nasal bridge, cheek, and chin regions of the patient's face, the frame at least partly defining a breathing chamber; an elbow connected to the frame in a releasable and rotatable manner, the elbow being adapted to be connected to an air delivery tube to deliver breathable gas to the patient; and headgear removably attachable to the shroud, wherein: the frame includes an opening, the elbow including a distal end releasably inserted into the opening of the frame with a snap-fit, thereby connecting the elbow to the frame, whereby the connection between the elbow and the frame also maintains the shroud in engagement with the frame.

MANAGING AN ACTIVE STRAP SYSTEM FOR A FACE MASK - A method, system or computer usable program product for managing a set of active straps for a positive airway pressure (PAP) mask including detecting a pressure value with a pressure sensor, analyzing the pressure value with a processor for identifying an adjustment of the set of active straps, and performing the identified adjustment with the set of active straps.

PATIENT INTERFACE SYSTEMS - A patient interface structure for delivery of respiratory therapy to a patient includes a front plate configured to conform to the shape of the patient's face; a mouth cushion defining a breathing chamber and provided to the front plate and configured to seal around the patient's mouth; and a nasal cushion configured to seal the patient's nasal airways. The nasal cushion is supported by the mouth cushion, does not contact a bridge of the patient's nose in use, and extends at least partially into the breathing chamber. A patient interface system includes a patient interface structure and a patient interface structure positioning system configured to position, stabilize and secure the patient interface structure in sealing engagement with the patient's face.

08-22-2013

20100101580

SECUREMENT DEVICE FOR CONTINUOUS POSITIVE AIRWAY PRESSURE APPARATUS - Disclosed is a securement device for securing a nasal pillow of a continuous positive airway pressure (CPAP) apparatus to a user. The securement device includes an adjustable elongated band and a set of grommets. The adjustable elongated band has a first end portion and a second end portion. The adjustable elongated band is adapted to assume a looped position by disposing the first end portion and the second end portion adjacent to each other. Each of the first end portion and the second end portion includes an aperture configured therein. The set of grommets is disposed on the aperture in the first end portion and the second end portion. The set of grommets is adapted to secure the nasal pillow between the first end portion and the second end portion of the adjustable elongated band in the looped position thereof.

04-29-2010

20150136140

BLOWER - A PAP device includes a casing adapted to fit on top of the patient's head in use and a blower including a blower outlet provided within the casing. The blower outlet is angled and/or curved towards a lower wall of the casing.

MASK - A mask is disclosed that has a gas outlet which is quiet and provides for a diffused outlet flow of gases. The outlet is preferably a slot formed between a hollow body and cover over said hollow body. The mask also preferably extends and seals under a user's chin in use.

02-25-2016

20100095966

BREATHING MASK AND METHODS THEREOF - Embodiments of the present invention relate to a breathing mask for alleviating conditions causing sleep apnea and avoiding onset claustrophobia in a patient often caused by a breathing mask. In one embodiment of the present invention, a breathing mask comprises an overhead gear assembly comprising an overhead receptor and a hose attachment connected to the overhead receptor, and a patient interface coupled to a connector valve of the overhead gear assembly, wherein the hose attachment is positioned outside of a line of sight of a user, when the breathing mask is utilized by the user.

04-22-2010

20140238401

CPAP SYSTEM - The technology described herein provides an apparatus and associated methods for Continuous Positive Airway Pressure (CPAP) systems, which can be utilized to treat breathing problems such as sleep apnea. In at least one embodiment, an airway interface mask and headgear assembly includes a mask shell housing to cover the patients nose and mouth and a pillowed, non-collapsible air cushion consisting of a continuously sealed, generally circular, and hollow cylinder which is limited in compression and which is disposed upon the mask shell housing sealingly in a generally circular manner on an underside of the mask housing to engage the patient's face. The pillowed, non-collapsible air cushion provides the sealed, cushioned engagement to the patient's face necessary, with conformity to the shape and contours of the patient's face, in the CPAP system without allowing for compression of the mask shell housing to allow the mask housing to touch the patient's face.

METHOD AND DEVICE FOR NON-INVASIVE VENTILATION WITH NASAL INTERFACE - A nasal ventilation interface including a pair of tubes configured to deliver a ventilation gas. The tubes are attachable at a first end to a ventilation gas supply hose and engageable at a second end with a person's nostril. A coupler is configured to align the pair of tubes with the person's nostrils, wherein each tube has an absence of pneumatic interconnection with the other tube.

FACE MASK - A mask assembly is provided for delivering gas to a patient that includes a mask body and a breathing circuit interface. The mask body includes an opening for reception of the gas and includes a seal structure for sealingly engaging with the face of the patient and surrounding at least the nose and mouth of the patient. The breathing circuit interface includes a first portion rotatably connected with the mask body and a second portion that is constructed and arranged to releasably connect with a conduit for delivering the gas to the patient through the opening.

02-06-2014

20120111332

BREATHING APPARATUS - A breathing apparatus includes an air delivery assembly and a nasal interface. The air delivery assembly includes at least one passage couple to a supply of air. The nasal interface includes a resilient pad having a first side configured to releasably couple with the air delivery assembly. A second side of the resilient pad is configured to engage at least a portion of a users nose. The nasal interface further includes a first air passage and a second air passage. The first air passage and the second air passage are configured to provide an air pathway between the air delivery assembly and a respective first nasal passage and second nasal passage of the user.

USER INTERFACE DEVICE PROVIDING IMPROVED LOAD DISTRIBUTION FUNCTIONALITY - A cushion member for a user interface device is provided. The cushion member is structured to provide a load distribution functionality responsive to the cushion member being donned by the user, wherein at least a portion of the cushion member has a local stiffness of less than or equal to 100 kPa/mm responsive to a stress increase on the cushion member of 1 kPa-15 kPa.

RESPIRATORY MASK SEALING INTERFACE - A sealing interface includes an inner cushion and an outer sheath. The outer sheath substantially seals against the facial contours of the user. The inner cushion and the outer sheath each have a nasal bridge region, left and right cheek regions and either one of an upper lip region or a chin region. In use these regions are aligned with the corresponding nasal bridge region, left and right cheek regions and either the upper lip region or the chin region of a user. The inner cushion includes a hinged region. The hinged region is adapted to flex substantially independently of the inner cushion cheek regions.

APNEA TREATMENT METHOD AND DEVICE - A closure for use during Positive Airway Pressure treatment of Obstructive Sleep Apnea for controlling air leakage through the lips and mouth of a person. The closure includes a first member formed of an air-sealing layer for extending over the lips of and to an adjacent region on the skin of the person. The closure includes a second member formed of an adhesive layer adhered to the first member for placement on at least the adjacent region on the skin for adhering the closure to the skin to form an air seal over the mouth. The closure includes a quick-release member for breaking the air seal.

MASK ASSEMBLY SUPPORTING ARRANGEMENTS - A mask assembly includes nasal interface, e.g., in the form of a pair of nozzles, at least one joining portion provided to each side of the nasal interface, and a headgear coupled or otherwise provided to or extending from the joining portion, that is looped around the patient's ears. The joining portion is small and compact and may be readily affixed to an existing nasal arrangement, i.e., retrofitted. The joining portion and the headgear can be formed in separate components, or they can be formed as an integral or one-piece arrangement.

04-21-2016

20150297853

RESPIRATORY PATIENT INTERFACES - Various embodiments of respiratory patient interfaces that may be used to treat a variety of disorders involving upper airway obstruction, such as, without limitation, Obstructive sleep apnea (OSA), obstructive sleep hypopnea, and upper airway resistance syndrome (UARS). A number of the embodiments employ a nasal pillow assembly including a frame that supports a nasal pillow sleeve and a clip that is slid over a flange of the fame to couple the nasal pillow sleeve to the frame.

10-22-2015

20150297855

BREATHING ASSISTANCE APPARATUS - In one embodiment, a nasal cannula is shaped to fit within a user's nares, where the nasal cannula includes at least one prong allowing high flow delivery of humidified gases and creates positive airway pressure in the patient's airway. The prongs have angled ends such that, in use, gases flowing through the prongs are directed to the user's nasal passages. The nasal cannula body is partially swiveling and preferably has a ball joint connector. In another embodiment the nasal cannula may have at least one flared end prong that preferably seals within a patient's nare.

Cushion and mask therefor - A cushion includes a substantially triangularly shaped frame from which extends a membrane. The frame has a scalloped edge by which the cushion is affixed to a mask body. The membrane has an aperture into which the wearer's nose is received. The membrane is spaced away from the rim of the frame. The wearer's nose is received through the aperture into the chamber within the mask body. The shape of the seal forming portion is particularly suited to effectively seal the difficult region of the facial contour that is the crease between the sides of the nose and the face.

COMPACT CONTINUOUS POSITIVE AIRWAY PRESSURE APPARATUS AND METHOD - A compact continuous positive airway pressure apparatus and method provide a flatter profile and more compact thickness, including a larger lateral dimension in order to be accommodated in conventional luggage designed to stow laptop computers having a smaller aspect ratio of thickness to length or thickness to width. Air tubing may be coiled within a case or coiled as about a spool-like configuration in the base unit of the device.

08-25-2011

20120152255

PAP SYSTEM - Systems, devices and methods of use adapted for treatment of respiratory disease or sleep disordered breathing include a patient interface (

06-21-2012

20160067442

FLEXIBLE MASK COUPLING - Mask interfaces having mask frames and mask seals are disclosed. Headgear and breathing conduits can be connected to the mask interfaces. The connection between the mask seals and the mask frames can enable movement of the mask seals relative to the mask frames. The relative movement may be at the mounting locations of the mask seals and mask frames.

03-10-2016

20160067437

INFANT NASAL INTERFACE MASK - An infant nasal interface mask for use with a nasal continuous positive airway pressure (nCPAP) system including a mask body and a base. The mask body forms a cavity and is defined by a leading portion, an intermediate shell portion, and a trailing portion. The leading portion terminates in a leading edge forming an aperture open to the cavity and having a generally triangular shape for placement over a patient's nose. The trailing portion includes a bellows segment characterized by an increased flexibility as compared to a flexibility of the intermediate shell portion. The base extends from the trailing portion opposite the leading portion and forms at least one longitudinal passage extending through a thickness of the base and fluidly connected to the cavity. The intermediate shell portion is laterally pivotable relative to the base via the bellows segment.

03-10-2016

20160106943

MASK WITH INTEGRAL CUSHION AND FOREHEAD PIECE - A fastener arrangement for securing at least two components together may include a male fastener with a first screw thread and a female fastener with a second screw thread, wherein one of the first screw thread and the second screw thread is a straight screw thread and the other of the first screw thread and the second screw thread is a hybrid screw thread that includes a tapered screw thread portion and a straight screw thread portion.

04-21-2016

20140373847

MASK SYSTEM - A full-face mask system for delivery of a supply of gas at positive pressure to a patient for medical treatment includes a shroud, a cushion module adapted to form a seal with the patient's nose and mouth, an elbow, and headgear. The cushion module includes a frame and a cushion. The frame includes an opening that releasably receives a distal end of the elbow with a snap-fit, wherein an inner edge of the opening and the distal end of the elbow together form a retention structure to retain the elbow to the frame.

12-25-2014

20160106944

BREATHING ASSISTANCE APPARATUS - A mask assembly for use as part of an apparatus for supplying a flow of respiratory gases to a user is disclosed. The mask assembly includes a mask body having an inlet through which said flow of respiratory gases are provided to the interior of said mask body. A mask seal assembly comprising a seal of flexible material and a clip of rigid material is attached to the body. The seal has a first side and a second side. The first side of the seal is shaped to approximately match the contours of a user's face and in use substantially seal against a user's face. The second side is attached to the clip. The clip provides an interface extending substantially the full perimeter or periphery of the mask seal assembly for releasably attaching the mask seal assembly to the mask body. The clip comprises a bridging portion spanning outwards from the perimeter or periphery of the mask body to space at least a portion of the second side of the seal outwards from the perimeter or periphery of the mask body.

04-21-2016

20120305000

AdaptAir: A Universal Fit Nasal Interface - A nasal interface and method for delivering continuous positive airway pressure in newborns and infants are provided herein using a universal fit nasal interface that is easily adapted and operated together with a generic nasal cannula.

12-06-2012

20160058966

PATIENT INTERFACE AND HEADGEAR FOR A RESPIRATORY APPARATUS - Patient interface, such as a nasal cannula, with a headgear. The interface has a soft face mount part with nasal prongs and a base portion, and a harder-material gases flow manifold part with an inlet and an outlet. Gas is delivered into the manifold inlet, and flows out through the outlet and into the base portion of the face mount. The outlet of the manifold part comprises a groove that creates a gap between the base portion of the face mount and the manifold part at a region adjacent to the philtrum, providing pressure relief on the septum. The headgear has straps. Portions of the headgear that contact facial regions have surface regions for frictionally engaging with the skin. The material in these regions can be in the form of sleeves or coatings or over-moulding. The remainder of the strap has different material properties from those contacting the facial region.

03-03-2016

20160058965

CANNULA DEVICE - A cannula device which supplies respiration gas to a patient provided with: a nasal cannula including nasal pipes inserted into nares of the patient; a pair of supplying tubes connected to both ends of the nasal cannula respectively; a bracket provided at at least one of the nasal cannula or the supplying tubes; and a locking part provided at the bracket, and detachably locking a fixture which attaches the nasal cannula on a head of the patient.

03-03-2016

20120305002

VENTILATION INTERFACE - A respiration assist mask having an input gas feed tube, a ventilation interface, a facial interface and nasal inserts. The gas feed tube can connect to the ventilation interface and form a seal. The ventilation interface may be joined with the facial interface to form a seal between the ventilation interface and the facial interface, as well as between the facial interface and the face of a user. Additionally, nasal inserts may be inserted into a portion of the facial interface and form a seal between the inserts and the facial interface.

12-06-2012

20120305001

INTERFACE - A user interface comprising a non-sealing nasal cannula and a mask arranged about the nasal cannula, the mask including a seal configured with a user's face to allow the interface to be pressurised, the cannula configured to deliver breathing gases to the nares of a user at a flow rate exceeding the intended user's peak inspiratory flow requirements so that the mask and the user's pharynx are flushed continuously with fresh breathing gases to reduce dead space.

12-06-2012

20150136138

HEADGEAR ASSEMBLY WITH IMPROVED STABIIZATION - A headgear assembly is disclosed for use in a patient interface assembly adapted to communicate a flow of gas with an airway of a patient comprising: at least a first headgear portion (

05-21-2015

20120227743

PASSENGER OXYGEN MASK - The passenger oxygen mask is provided for emergency situations on board an aircraft. The mask body is designed collapsible at least in sections. An axial overall height of the mask body is reduced by way of the one or more mask sections. This simplifies the accommodation of the oxygen mask or even permits a smaller constructional size of the preparation device.

09-13-2012

20120227744

PATIENT INTERFACE ASSEMBLY WITH SIMULTANEOUS MASKSTRAP ADJUSTMENT - A patient interface assembly that includes a patient interface device and a headgear. The headgear includes a first headgear strap and a second headgear strap having first end portions connected to opposite sides of the patient interface device. Second end portions of the first headgear strap and a second headgear strap are coupled to a first beam member and a second beam member respectively. The first and second beam members extend behind a head of such as user during use and are joined together via an adjustment mechanism that allows the overall length of the first beam and the second beam to be selectively adjusted.

09-13-2012

20150144139

PATIENT INTERFACE DEVICE HAVING A RESIDUAL LEAK SEAL CUSHION - A patient interface device includes a fluid coupling device, a frame member having a connecting portion defining a first opening, and a cushion member. The cushion member has a main body portion, a coupling portion attached thereto, and an inwardly extending sealing member defining a second opening in the cushion member. The coupling portion is attached to a first side of the connecting portion so that at least a portion of the sealing member extends over the first opening. The fluid coupling device is attached to a second side of the connecting portion so that the outlet end of the fluid coupling device extends through the first opening and a terminal portion of the outlet end engages the sealing member and creates an airflow seal at a joint connection between the fluid coupling conduit and the frame member.

05-28-2015

20120325217

OXYGEN MODULE - The present disclosure provides a flexible oxygen supply system which can easily be adapted to different seat layouts and which is significantly improved with regard to test and maintenance possibilities. An oxygen module according to the present disclosure generally comprises an oxygen source, a mask and a tube between the oxygen source and a mask. The oxygen module further comprises fastening elements for fastening in a supply duct of an aircraft, and a locking element by means of which the cover of the oxygen module can be locked.

12-27-2012

20120204876

FLUID FLOW CONTROL APPARATUS AND METHOD AND PATIENT INTERFACE DEVICE EMPLOYING SAME - A fluid flow control apparatus for use in, for example, a patient interface, is provided that includes a main conduit structured to receive a pressurized fluid and a nozzle assembly coupled to the main conduit. The nozzle assembly includes an external nozzle element having a contoured top surface and a main bore in fluid communication with an interior of the main conduit, an internal nozzle element received within the main bore, wherein a gap is provided between the internal nozzle element and the external nozzle element, and a switching element selectively moveable between a first position and a second position, wherein in the first position, the switching element is positioned below the contoured top surface of the external nozzle element, and wherein in the second position, at least a portion of the switching element is positioned adjacent to or above the contoured top surface of the external nozzle element.

HEADGEAR ATTACHMENT MECHANISM FOR A PATIENT INTERFACE DEVICE - A patient interface device includes a patient sealing assembly adapted to communicate a flow of breathing gas within an airway of a patient, a fluid coupling conduit fluidly coupled to the patient sealing assembly, the fluid coupling conduit being structured to receive the flow of breathing gas and communicate the flow of breathing gas to the patient sealing assembly, and a headgear component structured to secure the patient interface device to the patient's head, the headgear component including a strap member having a generally C-shaped connector member. The generally C-shaped connector member is structured to at least partially wrap around and be releasably received and held by or within a receiving feature provided on one of: (i) the fluid coupling conduit, and (ii) an extension member extending outwardly from the patient sealing assembly.

03-27-2014

20140166017

FOREHEAD SUPPORT FOR A PATIENT INTERFACE - A forehead support for a patient interface used in the treatment of sleep disordered breathing, includes a support post provided to a frame and a pair of arms extending from the support post. At least one of the pair of arms is adapted to rotate relative to the support post about an axis that extends transverse to the support post.

06-19-2014

20150374946

BREATHING ASSISTANCE APPARATUS - A nasal cannula can be shaped to fit within a user's nares, where the nasal cannula includes at least one prong allowing high flow delivery of humidified gases and creates positive airway pressure in the patient's airway. The prongs can have angled ends such that, in use, gases flowing through the prongs are directed to the user's nasal passages. The nasal cannula body can be partially swiveling and preferably has a ball joint connector. The nasal cannula can have at least one flared end prong that preferably seals within a patient's nare.

12-31-2015

20150374944

RESPIRATORY APPARATUS - A mask apparatus for a respiratory treatment can permit delivery of breathable gas to a user. In one example, the mask may employ a frame and cushion to form a seal for both mouth and nose. The frame may be adapted for coupling with a respiratory treatment apparatus so as to permit communication of a pressurized gas from the respiratory treatment apparatus. The cushion, which may be foam, may have a substantially under the nose configuration or over the nose configuration. The mask may have a common plenum chamber for both nose and mouth. The cushion may further define a centrally open lip superior region. The cushion may be adapted to couple with the frame directly or to the frame in conjunction with a cushion support clip. Various features of the cushion may further promote sealing and comfort for the under the nose design.

SKIN-CONTACT PRODUCT HAVING MOISTURE AND MICROCLIMATE CONTROL - Skin-contact products with a transpiration function such as medical devices or medicinal products, of which face masks, aspirators, ventilators, breast pumps or wound dressings are examples are described especially a skin-contact product with a transpiration function with an improved microclimate at a patient interface material-skin contact area. In an embodiment a material system (

ADJUSTABLE POSITIVE AIRWAY PRESSURE OR VENTILATION SYSTEM - The present disclosure relates to a comfortable and adjustable nasal pillow configured to be part of a nasal pillow system that is part of a mask system used with a ventilation or PAP device. The nasal pillows are configured to have multiple degrees of freedom of rotation.

PATIENT INTERFACE ASSEMBLY WITH IMPROVED STABILIZATION - A patient interface assembly includes a support member having a central support portion and a pair of cheek mount supports coupled to the central portion. Each cheek mount support applies a force on or on a side of a user's cheekbone. A seal member is coupled to the support portion and seals against the user. An additional nasal support member is provided that includes a first lateral side member operatively coupled to the central support portion and arranged to be disposed along a first side of a user's nose, and a second lateral side member also operatively coupled the central support portion and arranged to be disposed along a second side of a user's nose. At least a portion of the first lateral side member and the second lateral side member is rigid or semi rigid.

08-30-2012

20160067441

HEADGEAR FOR BREATHING MASK - An interface assembly includes an interface, such as a mask, that is secured to a head using a headgear assembly. The headgear assembly can include at least one halo portion and a plurality of straps. The headgear assembly can include both a front halo portion and a rear halo portion. In some arrangements, the headgear and mask define an adjustable closed loop. In some arrangements, the headgear can include one or more rigid portions that contact the user's face to at least partially isolate a seal of the mask from tightening forces applied to the headgear. In some arrangements, the mask is an oral-nasal mask and the headgear applies a force to the mask comprising an upward force component. In some arrangements, the headgear can be contoured to the user's head.

03-10-2016

20120285461

INTERCHANGEABLE INSERTS - In a mask for patient ventilation, a frame portion is included for surrounding a respiratory opening of a patient. A retention strap is coupled with the frame portion for maintaining positive pressure between the frame portion and the respiratory opening of the patient. A removable insert is configured to physically attach and detach from the frame portion without requiring removal of the frame or the retention strap from the patient.

11-15-2012

20120285462

LATERAL GAS LINE CONFIGURATION - A mask for patient ventilation comprises a frame portion, a front portion, a retention strap, and a gas delivery orifice. The frame portion is for surrounding a respiratory opening of a patient. The front portion is coupled with the frame portion and covers the respiratory opening region. The retention strap is for maintaining positive pressure between the frame portion and the patient. The gas delivery orifice is coupled with the frame portion and configured such that the gas delivery orifice is lateral to the front portion.

11-15-2012

20110209708

Ventilation Interface Device - A device comprises a harness configured to secure a mask over a respiratory orifice of a head of a patient; an inflatable cushion, at least a portion of the first inflatable cushion being adjoined to portion of the harness, the first inflatable cushion being positioned over a predetermined area including a portion of a buccinator muscle of a cheek of a patient; and an inflation lumen having a first end and a second end, the first end receiving pressurized air, the second end connected to the first inflatable cushion to provide pressurized air. When pressurized air is provided to the respiratory orifice via the mask, (a) the inflatable cushion is inflated with the pressurized air, (b) a tension between the mask and the head is increased and (c) the pressurized air in the inflatable cushion counters a bowing of the cheeks during inspiration.

09-01-2011

20110259335

Headgear Support for Respirator Mask - A self supporting head mounted harness for mounting a respirator mask on the face of a user, the harness including a harness body having a material stiffness sufficient to enable the harness to be retained and self supported on the head of a user independent of whether or not the mask is attached to the harness.

COMPACT ORONASAL PATIENT INTERFACE - A breathing arrangement for use between a patient and a structure to deliver a breathable gas to the patient includes a patient interface including a mouth covering assembly including a cushion structured to sealingly engage around an exterior of a patient's mouth in use, a nozzle assembly including a pair of nozzles structured to sealingly engage within nasal passages of a patient's nose in use without forming a seal on a nasal bridge region of a patient's face, each of the nozzles including a dual wall construction including an inner wall and an outer wall that surrounds the inner wall, and a flexible element connecting the mouth covering assembly and the nozzle assembly.

03-17-2016

20160074612

PORTABLE PATIENT INTERFACE SYSTEM - A portable patient interface system includes a frame, a cushion coupled to a first side of the frame, a collapsible faceplate coupled to a second side of the frame opposite the first side, and a longitudinally collapsible hose structured to be in fluid communication with the collapsible faceplate and the cushion.

03-17-2016

20110247625

BREATHING ASSISTANCE DEVICE - The present method, system, and device relate to a breathing assistance device comprising a hollow body defining an inner chamber, provided with a breathing gas input and output, and an abutment member, intended to abut against one part of a patient and wrapped by a flexible membrane. The membrane is inserted on the outer surface of the hollow body and is able to be interposed between the abutment member and the part of the patient on which it abuts. The hollow body comprises communication ports facing to the membrane, in order to enable the breathing gas passage from the chamber to an intermediate space formed between the membrane and the outer surface of the body.

Respiratory mask having washout vent and gas washout vent assembly for a respiratory mask - The present invention provides a vent assembly suitable for use with a respiratory mask of the type used in CPAP treatment. In one embodiment the vent is made of a thin air permeable membrane. Generally, the membrane is thinner than 0.5 mm. The membrane can be made of a hydrophobic material such as polytetrafluoroethylene (PTFE). The membrane can also be fabricated from expanded PTFE. The expanded PTFE membrane is mounted on a polypropylene scrim. The pores of the membrane have a reference pore size of 10 to 15 microns. In an alternative embodiment, the vent assembly includes a vent constructed from stainless steel. In another embodiment the membrane has a superficial cross-sectional area of approximately 500 mm

07-07-2011

20110168182

QUICK-DONNING FULL FACE OXYGEN MASK WITH INFLATABLE HARNESS AND SOFT FOLDABLE LENS - A mask and harness system for use in providing breathing oxygen and protection from pollutants for the eyes and respiratory system as might be encountered in high altitude aviation environments. In one preferred embodiment, the mask system has a face seal, a soft flexible lens, a pneumatically-actuated harness, and a regulator with microphone to control the flow of oxygen and to facilitate communications in aircraft flight decks and other aircraft compartments. The system is designed for required five-second donning with one hand and because of the flexible lens, is capable of storage in the relatively preferred on crowded flight decks. It is connected to an oxygen source and, optionally, with aircraft communications. The regulator controls the flow rate of oxygen to the wearer based on altitude and physiological requirements. The regulator includes a valve for purging the condensation-prone moist gases from the lens area and provides positive pressure in the mask. A second preferred embodiment molds the lens and mask seal of a single material having sufficient optical quality and flexibility to accomplish both purposes.

07-14-2011

20080314388

Flexible forehead support - A respiratory mask includes a mask frame and a forehead support provided to the mask frame. The forehead support includes a base extending from the frame. The base includes a flexible portion along at least a portion of its length including a material and/or physical characteristic that allows the base to flex from an original, unloaded position.

12-25-2008

20090007918

Method and Apparatus for Monitoring the Condition of a Patient with Diabetes - According to certain example embodiments of this invention, there is provided an apparatus for treatment of a patient with both sleep-disordered breathing and diabetes. A PAP device may be configured to provide a supply of pressurized breathable gas. At least one glycemia sensor also may be provided. A controller may be operable to receive a signal from the at least one glycemia detector and may be further operable to analyze the signal for an indication of a glycemia abnormality (e.g., hypoglycemia, hyperglycemia, diabetic coma, etc.). Optionally, when the signal indicates that the patient is experiencing a diabetic event, an alert may be generated and/or a drug delivery unit may administer an appropriate treatment to the patient.

01-08-2009

20090139525

COMFORT LINER FOR PRESSURE FACE MASKS AND NASAL MASKS - Disclosed is a device and method for improving the facial comfort and sealing ability of a full-face mask comprising a liner of soft material, preferably made from moleskin or the like. The disclosed face mask liner provides a superior feel to the user's face compared with standard face masks with air-filled cushion or silicone gasket cuffs, while providing a more comfortable user experience and a superior seal to prevent loss of breathing gas. Also disclosed is a similar device and method for improving the facial comfort of a nasal mask, providing a mask that is more comfortable to the user.

06-04-2009

20080216838

Method and device for non-invasive ventilation with nasal interface - A nasal ventilation interface including a pair of tubes configured to deliver a ventilation gas. The tubes are attachable at a first end to a ventilation gas supply hose and engageable at a second end with a person's nostril. A coupler is configured to align the pair of tubes with the person's nostrils, wherein each tube has an absence of pneumatic interconnection with the other tube.

09-11-2008

20090044806

Forehead Pad for a Breathing Mask and Method for Making the Same - A forehead pad for a breathing mask includes a substantially dimensionally stable first wall element and an elastomer second wall element coupled to the first wall element. The second wall element has a contact zone adapted to contact a surface of a user in use. The first and second wall elements define a filling-material-receiving chamber adapted to receive a filling material.

02-19-2009

20090133698

Apparatus for Supporting the Head of a Person Lying Prone or on a Side - An apparatus for supporting the head of a person lying prone or on a side includes a base member that is configured to be worn on the head of the person and to rotate between a plurality of positions relative to a support surface upon which the base member rests. The base member defines at least one support member configured to contact the face of the person. A front support structure is mounted to the base member. The front support structure and the base member are cooperatively arranged to define a space between the front support structure and the face of the person wearing the apparatus. The at least one support member is configured to support the head of the person away from the front support structure when the person is lying prone or on a side and with the base member in any of the plurality of positions.

05-28-2009

20090133697

Connector system for an apparatus that delivers breathable gas to a patient - A connector system for use with an apparatus that delivers a supply of pressurized breathable air to a patient includes an air delivery conduit including an auxiliary conduit. The air delivery conduit and auxiliary conduit have a first end and a second end. A connector is provided to at least one of the first and second ends. The connector includes an inner tubular wall and an outer tubular wall surrounding the inner tubular wall and being concentric with the inner tubular wall. The inner and outer tubular walls define first and second passages that are isolated from one another. One of the first and second passages is configured to communicate with the air delivery conduit and the other of the first and second passages is configured to communicate with the auxiliary conduit.

05-28-2009

20090065005

Nose mask assembly to be worn during sleep having a suspension support bracket and a retractable line - A nose mask assembly to be worn during sleep including a nose mask, an air hose, a suspension support bracket connected to the air hose, a retractable line connected to the air hose, and a ball joint or a flexible silicone rubber tubing member connected to the nose mask for supplying continuous positive air pressure to a user. The nose mask includes an intake port for an air hose, an opening for an exhalation air valve therein, an air chamber for receiving air, and a contoured nose section for fitting on the nose of the user. The nose mask includes holding means in the form of an expandable headband for retaining the nose mask on the head of the user. The intake port includes the ball joint swivel member or a flexible silicone rubber tubing member for swiveling of the air hose relative to the nose section of the nose mask allowing the user to move side to side without having the air hose pulling on the nose mask during sleep movements of the user. The suspension support bracket and the retractable spring-loaded line mechanism are for suspending the air hose over the user's head while sleeping for relieving the nose mask of any pulling action being applied by the suspended air hose during sleep movements of the wearer. The suspension support bracket is connected to a support base plate or a support base bar being located under a CPAP machine which acts as a stabilizing counterweight to the suspension support bracket for suspending the air hose over the head of the user.

Second Stage Of A Regulator For Scuba Breathing Apparatus - A second stage of a regulator for scuba breathing apparatus which comprises a body having an extension sleeve for delivering a breathing gas mixture to a user and a replaceable mouthpiece element comprising a connecting sleeve, which connecting sleeve of the mouthpiece is elastically deformable and may be fitted on said delivery sleeve of the second stage. According to an embodiment of the invention, there are provided separate and independent pull-out resistant means for mechanically locking the mouthpiece element to the delivery sleeve and separate and independent means for providing a hermetic seal between the mouthpiece element and the delivery sleeve.

12-25-2008

20090107504

BREATHING ASSISTANCE APPARATUS - The breathing assistance apparatus has a patient interface with a body section adapted to cover the nose, or nose and mouth of the patient. The apparatus includes a sealing interface, including at least an outer sealing member. The outer sealing member has a periphery that is attached to the body section in a sealing manner. The periphery is substantially rigid compared to the remainder of the outer sealing member. The outer sealing member is adapted to substantially seal around the facial contours of the patient to provide a sealed fluid communication to the respiratory tract of the patient. The sealing interface may also include an inner sealing member.

04-30-2009

20090151727

Apparatus For Deploying Oxygen Masks - An apparatus for deploying oxygen masks that includes a pre-packaged modular system that does not require manual repacking of oxygen masks by aircraft technicians. The cartridge is for use with a manifold having a passageway in fluid communication with a source of breathable gas. The cartridge includes an end wall, a sidewall extending from the end wall and terminating at a distal end adjacent to an opening. A flexible member defines a chamber inside the cartridge. The chamber is in fluid communication with the passageway when the cartridge is coupled to the manifold. The flexible member has an outlet. A mask assembly is disposed inside the cartridge. The mask assembly has a hose coupled to the outlet of the flexible member. A cover is removably attached to the distal end of the at least one side wall.

06-18-2009

20090173349

NASAL VENTILATION INTERFACE - A ventilation interface may include the following elements: a cushion, shell, forehead support, supply tubes, an adapter or Y-connector and a nasal cannula, which may also include nasal inserts, and connectors. Each of the elements of the ventilation interface may also include ribs of wire, stiffener or other bendable material having a greater rigidity than the material composing the main body of each element. These bendable portions may be capable of retaining multiple desired bent shapes in multiple desired directions.

07-09-2009

20080264421

Forehead support for facial mask - A forehead support for a respiratory mask assembly includes a cushion frame including one or more openings structured to receive one or more forehead cushions. The one or more openings are angled downwardly, as viewed from the side, so as to properly orient the one or more forehead cushions with respect to the patient's forehead in use.

10-30-2008

20090126739

Interchangeable Mask Assembly - A system of breathing arrangements for delivering breathable gas to a patient includes at least first and second cushion components, e.g., full-face, nasal, nasal prongs, nose tip, and/or a combination of any of the above, including a nasal or full-face cushion and nasal prongs/nozzles combination, etc., that are different from one another in at least one aspect, and a common frame assembly configured to support each of the first and second cushion components. Various embodiments are directed to a full-face or nasal mask used with a frame having lateral connector portions having a stiffening member. The mask assembly may include a nose height adjustment device for the height of the cushion, or a cushion adjustment member by which the position of the cushion may be adjusted relative to the frame. The mask assembly may include a chin strap assembly.

05-21-2009

20080245369

Patient Interface Device - A patient interface device that includes a support member sized and configured to span at least a portion of a patient's face while remaining below the patient's eyes responsive to the patient interface device being donned by such a patient. A sealing assembly is attached to the support member via a snap assembly associated with the support member and the sealing assembly. The snap assembly allows the sealing assembly to selectively attach to the support member.

10-09-2008

20080223369

PERSONAL OXYGEN AND AIR DELIVERY SYSTEM - A portable gas delivery system includes a mouthpiece, a gas delivery pack and a tubing assembly. The mouthpiece has an upper region and a lower region extending therefrom. The upper region includes a least one nose port. The lower region includes a mouth port. The gas delivery pack has a gas storage region, a gas compression region, or a combination thereof. The tubing assembly operably attached to the mouthpiece and the gas delivery pack for delivering gas from the gas delivery pack to the mouthpiece.

09-18-2008

20090078259

RETRACTABLE TUBE FOR CPAP - A retractable tube for use in a respiratory apparatus for delivering a pressurized flow of breathable gas to a patient has an internal diameter of about 30 mm or less, a weight of about 500 g/m or less, and an unextended length of about 2 m or less. The retractable tube includes a portion that is extensible in a range of about 40%-400% in response to force applied to the tube, and the extensible portion is configured to return the tube to its unextended length in the absence of force applied to the tube. A respiratory apparatus for delivering a flow of pressurized breathable gas includes a flow generator to generate the flow and a patient interface to deliver the flow to the patient's airways. The flow generator and the patient interface are connected by a retractable tube. A method of delivering a flow of pressurized breathable gas includes connecting the flow generator and the patient interface using a retractable tube.

03-26-2009

20080236588

SUPPORT DEVICE FOR RESPIRATORY INTERFACE - A patient interface support that supports a patient interface of a PAP device and generates a pre-selected engagement pressure at the patient interface to create a seal between the patient interface and the patient's airflow passages when the interface support is in use while alleviating the strain on the patient's head. The patient interface support comprises a base for attachment to a support surface; and, a support extension having a joint; a patient interface mount; and, biasing means. The joint movably connects the support extension to the base, the patient interface mount supports the patient interface, and the biasing means generates a pre-selected engagement pressure at the patient interface to create a seal between said patient interface and the patient's airflow passages when said interface support is in use.